A232476 Number of h-vectors of length n; equivalently, number of M-sequences of length n.

1, 1, 2, 3, 5, 8, 12, 18, 27, 40, 57, 82, 116, 163, 227, 313, 428, 583, 788, 1059

Offset

1,3

Links

Table of n, a(n) for n=1..20.

T. Enkosky and B. Stone, Sequences defined by h-vectors, arXiv preprint arXiv:1308.4945 [math.CO], 2013.

Thomas Enkosky and Branden Stone, A sequence defined by M-sequences, Discrete Math. 333 (2014), 35--38. MR3233404.

Crossrefs

Sequence in context: A365828 A232477 A232478 * A132842 A063978 A077868

Adjacent sequences: A232473 A232474 A232475 * A232477 A232478 A232479

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 28 2013

Extensions

Expanded definition line based on published version of article. - N. J. A. Sloane, Aug 18 2014

Status

approved