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A231490 Dimensions of the hypoplactic subalgebra of the Hopf algebra PMN_1. 0
1, 1, 7, 177, 13887 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..4.

H. Cheballah, S. Giraudo, R. Maurice, Combinatorial Hopf algebra structure on packed square matrices, arXiv preprint arXiv:1306.6605, 2013

CROSSREFS

Sequence in context: A027489 A098433 A009708 * A231489 A221110 A142256

Adjacent sequences:  A231487 A231488 A231489 * A231491 A231492 A231493

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 09 2013

STATUS

approved

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Last modified March 29 15:16 EDT 2020. Contains 333107 sequences. (Running on oeis4.)