%I #9 Jan 11 2024 09:18:08

%S 0,0,0,0,0,2,0,6,0,18,0,50,0,142,0,388,0,1114,0

%N Number of odd cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164.

%F a(n) = A081148(n)-A081155(n).

%Y Bisection: A081154.

%Y Cf. A081148, A081155.

%Y Cf. A014137, A014138, A057505, A057506, A057163, A057164.

%K nonn,more

%O 0,6

%A _Wouter Meeussen_ and _Antti Karttunen_ Mar 10 2003