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.

A208349 Number of n X 4 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 15
2 868
3 12625
4 230387
5 4773885
6 103672036
7 2280287753
8 50481169071
9 1122098238432
10 24983185355723
11 556622494082921
12 12405478452873059
13 276529980588607690
14 6164555722628477878
15 137428302821781111484

List of values

[15, 868, 12625, 230387, 4773885, 103672036, 2280287753, 50481169071, 1122098238432, 24983185355723, 556622494082921, 12405478452873059, 276529980588607690, 6164555722628477878, 137428302821781111484]

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

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