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%I #7 Jan 01 2023 20:28:07
%S 1,1,2,4,6,11,11,20,26,37,39,59,66,97,107,120,151,203,230,303,345,381,
%T 422,542,623,737,817,963,1074,1328,1480,1798,2097,2275,2518,2702,3071,
%U 3630,3973,4295,4770,5614,6253,7294,8020,8676,9421,10913,12136,13577,14871
%N Number of nonisomorphic cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n).
%e Set of orders of elements of S_8 X S_8 is {1,2,3,4,5,6,7,8,10,12,14,15,20,21,24, 28,30,35,40,42,56,60,70,84,105,120}, thus a(8) = 26.
%Y Cf. (labeled case) A063182.
%K nonn
%O 0,3
%A _Vladeta Jovovic_, Jul 10 2001
%E More terms from _David Wasserman_, Jul 10 2002
%E a(0)=1 prepended by _Alois P. Heinz_, Jan 01 2023
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