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.

Showing 1-3 of 3 results.

A234603 Numbers of undirected cycles in the n X n black bishop graph.

Original entry on oeis.org

2, 53, 12424, 12300529, 504040211574, 84649132742336262, 1080241691057266946999792
Offset: 3

Views

Author

Eric W. Weisstein, Dec 28 2013

Keywords

Links

Crossrefs

Cf. A234630, A234636, A234624, A282889, A234632.

Extensions

a(7) from Eric W. Weisstein, Jan 04 2014
a(3) prepended and a(8)-a(9) from Andrew Howroyd, May 08 2017

A282890 Number of directed Hamiltonian cycles on the n X n white bishop graph.

Original entry on oeis.org

2, 8, 792, 1106016, 9403200256, 3564317860276224, 6552227715472984080384
Offset: 3

Views

Author

Eric W. Weisstein, Feb 24 2017

Keywords

Links

Crossrefs

Cf. A282889 (number of Hamiltonian cycles in an n X n black bishop graphs)

Extensions

a(9) from Andrew Howroyd, May 06 2017

A307920 Number of (undirected) Hamiltonian cycles in the n X n black bishop graph.

Original entry on oeis.org

0, 0, 4, 704, 553008, 13802629632, 1782158930138112, 14231924675064000331776
Offset: 2

Views

Author

Eric W. Weisstein, May 06 2019

Keywords

Links

Crossrefs

Cf. A282889, A307929.

Formula

a(n) = A282889(n)/2.

Extensions

Offset corrected and a(2) prepended by Pontus von Brömssen, Nov 22 2020
Showing 1-3 of 3 results.

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

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