A230090 A certain restricted class of posets on n points.

1, 1, 1, 1, 1, 1, 2, 2, 5, 11, 35635

Offset

1,7

Comments

See Guay-Paquet for precise definition.

Links

Table of n, a(n) for n=1..11.

M. Guay-Paquet, A modular relation for the chromatic symmetric functions of (3+1)-free posets, arXiv preprint arXiv:1306.2400 [math.CO], 2013.

Crossrefs

Cf. A000112, A079146.

Sequence in context: A058021 A152445 A077182 * A286465 A208258 A208872

Adjacent sequences: A230087 A230088 A230089 * A230091 A230092 A230093

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 09 2013

Status

approved