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A247638 Hilbert series of combinatorial Hopf algebra H(Heap_2). 0
1, 1, 6, 42, 313, 2407, 18848, 149271, 1191092, 9553551, 76910632 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

J.-P. Bultel, S. Giraudo, Combinatorial Hopf algebras from PROs, arXiv preprint arXiv:1406.6903, 2014

CROSSREFS

Sequence in context: A004982 A093388 A162968 * A034171 A264911 A244902

Adjacent sequences:  A247635 A247636 A247637 * A247639 A247640 A247641

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 21 2014

STATUS

approved

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Last modified November 27 04:53 EST 2021. Contains 349346 sequences. (Running on oeis4.)