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.

A294687 Triangle read by rows: T(n,k) is the number of non-isomorphic colorings of a toroidal n X k grid using exactly five colors under translational symmetry, 1 <= k <= n.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 300
6 92680
7 0
8 15750
9 13794150
10 8221452750
11 24
12 510312
13 1686135376
14 4495236798162
15 11696087875731720
16 300
17 13794450
18 193054017440
19 2425003938178050
20 30852000867277668428
21 403564024914127655401650
22 2400
23 343501500
24 21664357535320
25 1317601563731383350
26 82985159653854019928352
27 5411356249329837891442095560

List of values

[0, 0, 0, 0, 300, 92680, 0, 15750, 13794150, 8221452750, 24, 510312, 1686135376, 4495236798162, 11696087875731720, 300, 13794450, 193054017440, 2425003938178050, 30852000867277668428, 403564024914127655401650, 2400, 343501500, 21664357535320, 1317601563731383350, 82985159653854019928352, 5411356249329837891442095560]