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A036724 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 2 generated by (1,2)(3,4)(5,6). 1
1, 1, 3, 18, 109, 768, 5652, 43618, 346353, 2816526, 23321925, 196005552, 1667527836, 14333190427, 124283998707, 1085847441828, 9549523972105, 84471264138366, 751042470499425, 6708237169875867, 60164133936171522 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Cf. A036717-A036723.

Sequence in context: A050623 A037760 A037648 * A037767 A037655 A074571

Adjacent sequences:  A036721 A036722 A036723 * A036725 A036726 A036727

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)