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%I #6 May 10 2013 12:44:49
%S 1,4,26,314,5222,168632,5736908,291993032,18599068328,1547379999392,
%T 136254185631632,18749419634845088,2367416741670079712,
%U 387737484226037810048,78779133220155242489792,17651532033334188604514432,3945247307615376458903485568
%N Number of cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n).
%Y Cf. A051625, A060648, (unlabeled case) A063183.
%K nonn
%O 1,2
%A _Vladeta Jovovic_, Jul 10 2001
%E a(9)-a(17) from _Stephen A. Silver_, Feb 22 2013