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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.

A125534 Number of n X n arrays with entries in 1..5 in which adjacent entries differ by 3 or less (adjacent means in x or y directions).

Table of values

n a(n)
0 1
1 5
2 467
3 877547
4 32392165445
5 23566800979324529
6 337794127866926817026015
7 95393532181581177183563991168527
8 530759903230981312601669469700498881710153

List of values

[1, 5, 467, 877547, 32392165445, 23566800979324529, 337794127866926817026015, 95393532181581177183563991168527, 530759903230981312601669469700498881710153]

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

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