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.

A208431 Number of nX5 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

Table of values

n a(n)
1 41
2 864
3 1123
4 6416
5 50507
6 365195
7 2623167
8 19281232
9 141789341
10 1037399092
11 7598755762
12 55697097923
13 408217653315
14 2991035581961
15 21919561041622
16 160626736704557
17 1177121839740932
18 8625904039667696
19 63212673380523055

List of values

[41, 864, 1123, 6416, 50507, 365195, 2623167, 19281232, 141789341, 1037399092, 7598755762, 55697097923, 408217653315, 2991035581961, 21919561041622, 160626736704557, 1177121839740932, 8625904039667696, 63212673380523055]

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

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