login
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A085163/A085164.
0

%I #6 Mar 31 2012 14:02:18

%S 1,1,2,3,7,14,37,95,285,876,2862,9582,33022,115454,409721,1467781,

%T 5305211,19302774,70662612,259980148,960908596

%N Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A085163/A085164.

%C The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes.

%H A. Karttunen, <a href="/A089408/a089408.c.txt">C-program for computing the initial terms of this sequence</a>

%K nonn

%O 0,3

%A _Antti Karttunen_, Dec 20 2003