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%I #12 Jul 21 2022 01:26:02
%S 0,1,0,1,5,23,257,1048,27219,137537,2725441,22377824,1221555748,
%T 7846888669,406966068706,5178802915485,417065722270965,
%U 3785224363874273
%N Number of connected subgroups of the alternating group A_n.
%C A permutation group is connected if it is not the direct product of smaller permutation groups.
%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%F Logarithmic transform of A029725.
%Y Labeled version of A116653.
%K nonn,hard
%O 0,5
%A _Christian G. Bower_, Feb 23 2006
%E a(14)-a(17) from _Vaclav Kotesovec_, Jul 21 2022