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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.

A230754 Number of (n+3)X(5+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Table of values

n a(n)
1 363312
2 129731328
3 51048476748
4 17027460691212
5 5769362600920812
6 1928867953682733132
7 645610139671314494208
8 215988462456574388976300
9 72238352925469656400705200
10 24160858241776435434419641008

List of values

[363312, 129731328, 51048476748, 17027460691212, 5769362600920812, 1928867953682733132, 645610139671314494208, 215988462456574388976300, 72238352925469656400705200, 24160858241776435434419641008]

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

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