A090694 - OEIS

%I #6 May 10 2013 12:45:29

%S 1,0,3,3,20,120,210,3640,5264,211680,609840,11517660,68262480,

%T 1000359360,14082868800,89182613520,2391049140480,13726429516800,

%U 503669982816000,2561900746204800,134281295242698240,983641429745694720

%N Number of permutations with self-conjugate cycle types.

%e There are 3 permutations of degree 3 with self-conjugate cycle type [1,2].

%Y Cf. A000700.

%K easy,nonn

%O 1,3

%A _Vladeta Jovovic_, Dec 19 2003

%E More terms from _David Wasserman_, Feb 02 2006