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.

A267020 Number of (n+1)Xn arrays containing n copies of 0..n with every element equal to or 1 greater than any northeast or northwest neighbors modulo n and the upper left element equal to 0.

Table of values

n a(n)
1 1
2 5
3 21
4 259
5 5493
6 255437
7 26320280
8 6071784885

List of values

[1, 5, 21, 259, 5493, 255437, 26320280, 6071784885]

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

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