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.

A342599 Number of n X n 01-matrices with permanent 0 from which it is possible to obtain a 01-matrix with permanent 1 by increasing a single element by 1, up to permutation of rows and columns.

Table of values

n a(n)
1 1
2 3
3 12
4 74
5 788
6 16016
7 658220
8 55598924

List of values

[1, 3, 12, 74, 788, 16016, 658220, 55598924]

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

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