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Number of h-vectors of length n; equivalently, number of M-sequences of length n.
0

%I #13 Aug 30 2021 04:06:03

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

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

%H T. Enkosky and B. Stone, <a href="http://arxiv.org/abs/1308.4945">Sequences defined by h-vectors</a>, arXiv preprint arXiv:1308.4945 [math.CO], 2013.

%H Thomas Enkosky and Branden Stone, <a href="https://doi.org/10.1016/j.disc.2014.06.007">A sequence defined by M-sequences</a>, Discrete Math. 333 (2014), 35--38. MR3233404.

%K nonn,more

%O 1,3

%A _N. J. A. Sloane_, Nov 28 2013

%E Expanded definition line based on published version of article. - _N. J. A. Sloane_, Aug 18 2014