A036725 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)(7,8).

1, 1, 4, 32, 268, 2574, 26004, 274752, 2990412, 33321801, 378155340, 4355839608, 50792907100, 598432565856, 7112882558060, 85186232560504, 1026982086302284, 12453151958594288, 151785836438975264, 1858565360218893144, 22851521570687098564

Offset

0,3

Links

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

Crossrefs

Cf. A036717-A036724.

Sequence in context: A013731 A363440 A009509 * A065089 A113329 A246818

Adjacent sequences: A036722 A036723 A036724 * A036726 A036727 A036728

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved