A062365 Number of nonisomorphic cyclic subgroups of the group A_n X A_n (where A_n is the alternating group of degree n).

1, 1, 2, 4, 7, 10, 17, 19, 27, 35, 54, 58, 85, 96, 106, 122, 171, 209, 272, 312, 339, 384, 504, 568, 668, 754, 867, 981, 1226, 1357, 1658, 1859, 1991, 2318, 2526, 2833, 3393, 3730, 3976, 4418, 5244, 5829, 6798, 7468, 7998, 8770, 10282, 11354, 12676, 13911

Offset: 1

Author

Vladeta Jovovic, Jul 11 2001

Keywords

• nonn

Examples

			Set of orders of elements of A_8 X A_8 is {1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 105}, thus a(8)=19.
		

Crossrefs

Cf. A063182, A063183, A051636, A020902, (labeled case) A062364.

Extensions

More terms from David Wasserman, Jun 27 2002