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.

A067212 Number of n X n 0..4 matrices with all row and column sums equal.

Table of values

n a(n)
0 1
1 5
2 25
3 1001
4 790425
5 11991502235
6 3632894572698505
7 22823286475857170293275
8 3059096488092534208632573065881
9 8933959513305390145234950731901862541009
10 577809775169956916510410207413319463664222819419555

List of values

[1, 5, 25, 1001, 790425, 11991502235, 3632894572698505, 22823286475857170293275, 3059096488092534208632573065881, 8933959513305390145234950731901862541009, 577809775169956916510410207413319463664222819419555]

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

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