cp's OEIS Frontend

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.

A268625 Number of n X 5 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two no more than once.

Table of values

n a(n)
1 144
2 2430
3 34890
4 467190
5 6000978
6 74914554
7 915847266
8 11018667294
9 130903914954
10 1539375100362
11 17950677440298
12 207850445630478
13 2392281464029314
14 27392205838123482
15 312238767991217778

List of values

[144, 2430, 34890, 467190, 6000978, 74914554, 915847266, 11018667294, 130903914954, 1539375100362, 17950677440298, 207850445630478, 2392281464029314, 27392205838123482, 312238767991217778]

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

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