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.

A202713 Number of n X n 0..3 arrays with row sums equal and no column sum equal to the previous.

Table of values

n	a(n)
1	4
2	28
3	4740
4	7788648
5	189412482924

List of values

[4, 28, 4740, 7788648, 189412482924]

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

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