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%I #8 Jan 11 2024 09:09:02
%S 1,2,10,46,236,1288,6984,38528,216648,1240818
%N Number of cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506.
%F a(n) = A057507(2n+1).
%Y Cf. A057507, A081151, A014137, A014138, A057505, A057506.
%K nonn,more
%O 0,2
%A _Wouter Meeussen_ and _Antti Karttunen_, Mar 10 2003