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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.

A125547 Number of n X n arrays with entries in 1..12 in which adjacent entries differ by 9 or less (adjacent means in x or y directions).

Table of values

n a(n)
0 1
1 12
2 17782
3 3359860178
4 80173083905265254
5 241867388512389264991124102
6 92239510661284205765199147022065188442
7 4446848187806762069273466271591426934850445380022534

List of values

[1, 12, 17782, 3359860178, 80173083905265254, 241867388512389264991124102, 92239510661284205765199147022065188442, 4446848187806762069273466271591426934850445380022534]

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

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