A081149 Number of odd cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506.

1, 1, 4, 9, 24, 62, 162, 447, 1234

Offset

0,3

Links

Table of n, a(n) for n=0..8.

Formula

a(n) = A081148(2n+1).

Crossrefs

Cf. A014137, A014138, A057505, A057506, A081148.

Sequence in context: A127979 A112262 A077922 * A059507 A128416 A353978

Adjacent sequences: A081146 A081147 A081148 * A081150 A081151 A081152

Keyword

nonn,more

Author

Wouter Meeussen and Antti Karttunen, Mar 10 2003

Status

approved