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.

A208348 Number of nX3 0..3 arrays with new values 0..3 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 5
2 100
3 1095
4 12625
5 153237
6 1901508
7 23658861
8 294608660
9 3672171940
10 45806539501
11 571496743787
12 7130666296577
13 88976864630029
14 1110304369879641
15 13855224093424061
16 172897096309149243
17 2157565319312754303

List of values

[5, 100, 1095, 12625, 153237, 1901508, 23658861, 294608660, 3672171940, 45806539501, 571496743787, 7130666296577, 88976864630029, 1110304369879641, 13855224093424061, 172897096309149243, 2157565319312754303]

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

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