%I #9 Mar 30 2012 17:23:15
%S 1,1,2,4,7,8,11,12,14,10,21,14,20,26,22,18,18,28,23,30,32
%N a(n) = number of cycles in range [2^(n-1),(2^n)-1] of permutation A209861/A209862.
%C a(0) gives the number of cycles in range [0,0], i.e. 1.
%H Antti Karttunen, <a href="/A209864/a209864.txt">Listing showing a more detailed cycle-structure of permutations A209861/A209862 up to n=20.</a>
%Y Cf. A209863, A209865, A209866, A209867.
%K nonn
%O 0,3
%A _Antti Karttunen_, Mar 24 2012
|