%I #2 Mar 31 2012 14:02:29
%S 1,1,1,2,3,6,10,20,39,72,138,286,512
%N Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A120705/A120706.
%C The number of orbits to which the corresponding automorphisms partition the set of A000108(n) binary trees of n internal nodes.
%K nonn
%O 0,4
%A _Antti Karttunen_, Jun 28 2006