A130968 Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutations A130919/A130920.

1, 1, 2, 3, 7, 10, 25, 54, 131, 331, 864, 2292, 6169, 16835

Offset

0,3

Links

Table of n, a(n) for n=0..13.

Crossrefs

Cf. A130967, A057546.

Sequence in context: A047082 A062113 A346799 * A007748 A126617 A117733

Adjacent sequences: A130965 A130966 A130967 * A130969 A130970 A130971

Keyword

nonn

Author

Antti Karttunen, Jun 11 2007

Status

approved