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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.

A183525 Number of nX8 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 63
2 8673
3 215451
4 11678037
5 728459961

List of values

[63, 8673, 215451, 11678037, 728459961]

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

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