A032207 Number of connected functions on n points with a loop of length 11.

1, 1, 7, 39, 189, 832, 3415, 13289, 49594, 178972, 628397, 2156842, 7263306, 24068685, 78667879, 254101597, 812408511, 2574398860, 8094625175, 25278311063, 78465711029, 242265995076, 744465052503, 2278029840583, 6944364119469, 21097626446747, 63901611553272

Offset

11,3

Links

Andrew Howroyd, Table of n, a(n) for n = 11..500

Christian G. Bower, Transforms (2)

Formula

"CIK[ 11 ]" (necklace, indistinct, unlabeled, 11 parts) transform of A000081.

a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020

Crossrefs

Column 11 of A339428.

Sequence in context: A196782 A128554 A225617 * A004057 A081898 A034267

Adjacent sequences: A032204 A032205 A032206 * A032208 A032209 A032210

Keyword

nonn

Author

Christian G. Bower

Extensions

Terms a(35) and beyond from Andrew Howroyd, Dec 04 2020

Status

approved