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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.

A269286 Number of n X 5 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.

Table of values

n a(n)
1 756
2 164556
3 27788292
4 4204943820
5 598478857956
6 81907569617580
7 10908770041709316
8 1424067311317705740
9 183070424003703987492
10 23250470194285817181804
11 2923940806264087088770116

List of values

[756, 164556, 27788292, 4204943820, 598478857956, 81907569617580, 10908770041709316, 1424067311317705740, 183070424003703987492, 23250470194285817181804, 2923940806264087088770116]

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

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