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 1-2 of 2 results.

A350022 Number of idempotent semisymmetric Latin squares of order n.

Original entry on oeis.org

1, 0, 1, 2, 0, 0, 480, 0, 2274048, 757555200, 4693077997977600
Offset: 1

Views

Author

Ian Wanless, Dec 08 2021

Keywords

Links

Crossrefs

Cf. A076021, A350023, A350024.

A350023 Number of diagonal semisymmetric Latin squares of order n.

Original entry on oeis.org

1, 0, 3, 2, 30, 0, 3000, 20160, 19571328, 8136806400, 13826847640320, 113788019281305600
Offset: 1

Views

Author

Ian Wanless, Dec 08 2021

Keywords

Comments

"Diagonal" means that the symbols on the main diagonal must all be different.

Links

Crossrefs

Cf. A350022, A350024.
Showing 1-2 of 2 results.

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

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