%I #7 Jan 11 2024 09:19:17
%S 1,1,4,9,24,62,162,447,1234
%N Number of odd cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506.
%F a(n) = A081148(2n+1).
%Y Cf. A014137, A014138, A057505, A057506, A081148.
%K nonn,more
%O 0,3
%A _Wouter Meeussen_ and _Antti Karttunen_, Mar 10 2003