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A231493
Dimensions of the Bell subalgebra of the Hopf algebra PML_1.
0
1, 1, 2, 9, 53, 390, 3389, 33881
OFFSET
0,3
LINKS
H. Cheballah, S. Giraudo, R. Maurice, Combinatorial Hopf algebra structure on packed square matrices, arXiv preprint arXiv:1306.6605, 2013
CROSSREFS
Sequence in context: A192131 A326287 A351815 * A218945 A233338 A360454
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 09 2013
STATUS
approved