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OEIS Parity Triangles

@oeistriangles.peterkagey.com
110 followers 1 following 531 posts

A bot by @peterkagey.com that posts a Parity Triangle from the OEIS every day. See my blog post for more details: peterkagey.com/blog/2021/03/parity-…

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OEIS Parity Triangles @oeistriangles.peterkagey.com · 14h
OEIS sequence A296157 by R. H. Hardin (December 2017). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A296157.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 29/09/2026
OEIS sequence A185982 by Brian Drake (February 2011). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A185982.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 27/09/2026
OEIS sequence A240315 by Geoffrey Critzer (April 2014). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A240315.
100
OEIS Parity Triangles @oeistriangles.peterkagey.com · 26/09/2026
OEIS sequence A157174 by Roger L. Bagula and Gary W. Adamson (February 2009). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A157174.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 26/09/2026
OEIS sequence A216294 by Geoffrey Critzer (September 2012). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A216294.
110
OEIS Parity Triangles @oeistriangles.peterkagey.com · 25/09/2026
OEIS sequence A300175 by R. H. Hardin (February 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A300175.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 24/09/2026
OEIS sequence A062344 by Henry Bottomley (July 2001). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A062344.
001
OEIS Parity Triangles @oeistriangles.peterkagey.com · 23/09/2026
OEIS sequence A127082 by Paul D. Hanna (January 2007). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A127082.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 22/09/2026
OEIS sequence A034802 by N. J. A. Sloane. (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A034802.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 21/09/2026
OEIS sequence A144617 by N. J. A. Sloane (January 2009). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A144617.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 20/09/2026
OEIS sequence A316953 by R. H. Hardin (July 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A316953.
002
OEIS Parity Triangles @oeistriangles.peterkagey.com · 19/09/2026
OEIS sequence A331161 by Andrew Howroyd (January 2020). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A331161.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 18/09/2026
OEIS sequence A324163 by Andrew Howroyd (September 2019). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A324163.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 17/09/2026
OEIS sequence A132623 by Paul D. Hanna (August 2007). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A132623.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 16/09/2026
OEIS sequence A126325 by Emeric Deutsch (March 2007). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A126325.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 15/09/2026
OEIS sequence A035317 by N. J. A. Sloane. (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A035317.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 14/09/2026
OEIS sequence A327673 by Alois P. Heinz (September 2019). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A327673.
041
OEIS Parity Triangles @oeistriangles.peterkagey.com · 13/09/2026
OEIS sequence A300639 by R. H. Hardin (March 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A300639.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 12/09/2026
OEIS sequence A317604 by R. H. Hardin (August 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A317604.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 11/09/2026
OEIS sequence A001263 by N. J. A. Sloane. (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A001263.
001
OEIS Parity Triangles @oeistriangles.peterkagey.com · 10/09/2026
OEIS sequence A152842 by Philippe Deléham (December 2008). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A152842.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 09/09/2026
OEIS sequence A211183 by Philippe Deléham (February 2013). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A211183.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 08/09/2026
OEIS sequence A302163 by R. H. Hardin (April 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A302163.
001
OEIS Parity Triangles @oeistriangles.peterkagey.com · 07/09/2026
OEIS sequence A319375 by Alois P. Heinz (December 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A319375.
020
OEIS Parity Triangles @oeistriangles.peterkagey.com · 06/09/2026
OEIS sequence A283683 by Ivan Neretin (March 2017). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A283683.
100
OEIS Parity Triangles @oeistriangles.peterkagey.com · 05/09/2026
OEIS sequence A295040 by R. H. Hardin (November 2017). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A295040.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 04/09/2026
OEIS sequence A027935 by Clark Kimberling. (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A027935.
020
OEIS Parity Triangles @oeistriangles.peterkagey.com · 03/09/2026
OEIS sequence A037027 by Floor van Lamoen (January 1999). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A037027.
030
OEIS Parity Triangles @oeistriangles.peterkagey.com · 02/09/2026
OEIS sequence A299561 by R. H. Hardin (February 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A299561.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 01/09/2026
OEIS sequence A121576 by Paul Barry (August 2006). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A121576.
020
OEIS Parity Triangles @oeistriangles.peterkagey.com · 31/08/2026
OEIS sequence A316123 by R. H. Hardin (June 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A316123.
011
OEIS Parity Triangles @oeistriangles.peterkagey.com · 30/08/2026
OEIS sequence A298712 by R. H. Hardin (January 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A298712.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 29/08/2026
OEIS sequence A219206 by Paul D. Hanna (November 2012). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A219206.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 28/08/2026
OEIS sequence A319083 by Peter Luschny (October 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A319083.
040
OEIS Parity Triangles @oeistriangles.peterkagey.com · 27/08/2026
OEIS sequence A263234 by Emeric Deutsch (November 2015). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A263234.
071
OEIS Parity Triangles @oeistriangles.peterkagey.com · 26/08/2026
OEIS sequence A285117 by Antti Karttunen (April 2017). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A285117.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 25/08/2026
OEIS sequence A308179 by N. J. A. Sloane (May 2019). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A308179.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 24/08/2026
OEIS sequence A297802 by R. H. Hardin (January 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A297802.
021
OEIS Parity Triangles @oeistriangles.peterkagey.com · 23/08/2026
OEIS sequence A308359 by R. J. Mathar (May 2019). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A308359.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 22/08/2026
OEIS sequence A278458 by Gheorghe Coserea (January 2017). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A278458.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 21/08/2026
OEIS sequence A300427 by R. H. Hardin (March 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A300427.
010
OEIS Parity Triangles @oeistriangles.peterkagey.com · 20/08/2026
OEIS sequence A298240 by R. H. Hardin (January 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A298240.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 19/08/2026
OEIS sequence A297986 by R. H. Hardin (January 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A297986.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 18/08/2026
OEIS sequence A155999 by Roger L. Bagula (February 2009). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A155999.
030
OEIS Parity Triangles @oeistriangles.peterkagey.com · 17/08/2026
OEIS sequence A316740 by R. H. Hardin (July 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A316740.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 16/08/2026
OEIS sequence A320525 by Robert A. Russell (October 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A320525.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 15/08/2026
OEIS sequence A300539 by R. H. Hardin (March 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A300539.
001
OEIS Parity Triangles @oeistriangles.peterkagey.com · 14/08/2026
OEIS sequence A316576 by R. H. Hardin (July 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A316576.
000
OEIS Parity Triangles @oeistriangles.peterkagey.com · 13/08/2026
OEIS sequence A303254 by R. H. Hardin (April 2018). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A303254.
031
OEIS Parity Triangles @oeistriangles.peterkagey.com · 12/08/2026
OEIS sequence A236830 by Philippe Deléham (February 2014). (Even terms are drawn as dark hexagons and odd terms are drawn as light hexagons.)
OEIS triangle for sequence A236830.
041