A063182 Number of cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n).

1, 4, 26, 314, 5222, 168632, 5736908, 291993032, 18599068328, 1547379999392, 136254185631632, 18749419634845088, 2367416741670079712, 387737484226037810048, 78779133220155242489792, 17651532033334188604514432, 3945247307615376458903485568

Offset

1,2

Links

Table of n, a(n) for n=1..17.

Crossrefs

Cf. A051625, A060648, (unlabeled case) A063183.

Sequence in context: A271614 A136503 A114125 * A293954 A348117 A317668

Adjacent sequences: A063179 A063180 A063181 * A063183 A063184 A063185

Keyword

nonn

Author

Vladeta Jovovic, Jul 10 2001

Extensions

a(9)-a(17) from Stephen A. Silver, Feb 22 2013

Status

approved