A290464 Consider the graded poset consisting of the distinct partitions of n read mod 2; a(n) is the number of edges.

0, 1, 2, 5, 9, 16, 28

Offset

1,3

Comments

Taken from a paper on the arXiv by Caleb Ji, Enumerative Properties of Posets Corresponding to a Certain Class of No Strategy Games, arXiv:1608.06025 [math.CO], 2016, which has since been removed from the arXiv. - N. J. A. Sloane, Sep 06 2018

Links

Table of n, a(n) for n=1..7.

Crossrefs

Sequence in context: A056870 A326507 A014739 * A335768 A039946 A130752

Adjacent sequences: A290461 A290462 A290463 * A290465 A290466 A290467

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 09 2017

Status

approved