A130969 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130935/A130936.

1, 1, 2, 4, 9, 20, 51, 128, 345, 944, 2658, 7600, 22150

Offset

0,3

Links

Table of n, a(n) for n=0..12.

Crossrefs

Sequence in context: A002861 A363203 A032200 * A264293 A370315 A034750

Adjacent sequences: A130966 A130967 A130968 * A130970 A130971 A130972

Keyword

nonn

Author

Antti Karttunen, Jun 11 2007

Status

approved