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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.

A198980 Number of nX6 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 52
2 174454
3 1112962873
4 7267830860056
5 47495195899845037
6 310387893630465965693
7 2028430770889558380053172
8 13256095277348005849607178346
9 86630544487196927129344081838138

List of values

[52, 174454, 1112962873, 7267830860056, 47495195899845037, 310387893630465965693, 2028430770889558380053172, 13256095277348005849607178346, 86630544487196927129344081838138]

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

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