cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Previous Showing 11-14 of 14 results.

A032205 Number of connected functions on n points with a loop of length 9.

Original entry on oeis.org

1, 1, 6, 30, 127, 506, 1902, 6823, 23673, 79936, 264036, 856772, 2739525, 8652707, 27049259, 83824636, 257847515, 788121922, 2395786374, 7248517868, 21840785100, 65574504200, 196266067194, 585822825763, 1744384025528, 5183186173513, 15372268502463, 45515472900289
Offset: 9

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Author

Christian G. Bower

Keywords

Links

Crossrefs

Column 9 of A339428.

Formula

"CIK[ 9 ]" (necklace, indistinct, unlabeled, 9 parts) transform of A000081.
a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020

Extensions

Terms a(33) and beyond from Andrew Howroyd, Dec 04 2020

A032206 Number of connected functions on n points with a loop of length 10.

Original entry on oeis.org

1, 1, 7, 34, 158, 655, 2578, 9619, 34659, 120966, 412214, 1375861, 4516058, 14611989, 46712942, 147798787, 463512254, 1442513910, 4459548539, 13706894100, 41915906463, 127607366453, 386953440455, 1169295277193, 3522431890950, 10581852932516, 31711045921908
Offset: 10

Views

Author

Christian G. Bower

Keywords

Links

Crossrefs

Column 10 of A339428.

Formula

"CIK[ 10 ]" (necklace, indistinct, unlabeled, 10 parts) transform of A000081.
a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020

Extensions

Terms a(34) and beyond from Andrew Howroyd, Dec 04 2020

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

Original entry on oeis.org

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

Views

Author

Christian G. Bower

Keywords

Links

Crossrefs

Column 11 of A339428.

Formula

"CIK[ 11 ]" (necklace, indistinct, unlabeled, 11 parts) transform of A000081.
a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020

Extensions

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

A032208 Number of connected functions on n points with a loop of length 12.

Original entry on oeis.org

1, 1, 8, 45, 229, 1043, 4474, 18034, 69698, 259516, 938342, 3308793, 11427018, 38763095, 129499981, 426937452, 1391429896, 4489322347, 14356694844, 45554354359, 143546523999, 449545164857, 1400098598183, 4339078154900, 13387747332571, 41141433154653
Offset: 12

Views

Author

Christian G. Bower

Keywords

Links

Crossrefs

Column 12 of A339428.

Formula

"CIK[ 12 ]" (necklace, indistinct, unlabeled, 12 parts) transform of A000081.
a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020

Extensions

Terms a(35) and beyond from Andrew Howroyd, Dec 04 2020
Previous Showing 11-14 of 14 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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