%I

%S 1,1,1,1,2,5,8,26,96,246,181,540,868,724,6038,4405,23302,39514,34480,

%T 83424,270884

%N a(n) = maximal cycle size in range [2^(n-1),(2^n)-1] of permutation A209861/A209862.

%C a(0) gives the maximum cycle size in range [0,0], i.e. 1.

%Y Cf. A209863, A209864, A209866, A209867.

%K nonn

%O 0,5

%A _Antti Karttunen_, Mar 24 2012