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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.

A215903 Number of diagonal and antidiagonal neighbor colorings of the even squares of an n X 7 array with new integer colors introduced in row major order.

Table of values

n a(n)
1 15
2 203
3 84550
4 14050312
5 37060769357
6 18383354944364
7 148049909203591059
8 152834703746357948488
9 2765650341438362598776986
10 4971673449387903153569761420
11 170381714096217475684749198312607

List of values

[15, 203, 84550, 14050312, 37060769357, 18383354944364, 148049909203591059, 152834703746357948488, 2765650341438362598776986, 4971673449387903153569761420, 170381714096217475684749198312607]

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

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