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.

A294685 Triangle read by rows: T(n,k) is the number of non-isomorphic colorings of a toroidal n X k grid using exactly three colors under translational symmetry, 1 <= k <= n.

Table of values

n a(n)
1 0
2 0
3 9
4 2
5 91
6 2022
7 9
8 738
9 43315
10 2679246
11 30
12 5613
13 950062
14 174184755
15 33887517990
16 91
17 43404
18 21480921
19 11765865678
20 6862930841141
21 4169289730628814
22 258
23 338259
24 497812638
25 816999710223
26 1429469771994078
27 2605213713043722909
28 4883659745750360600262
29 729
30 2679228
31 11765822365
32 57906482267826
33 303941554100145501

List of values

[0, 0, 9, 2, 91, 2022, 9, 738, 43315, 2679246, 30, 5613, 950062, 174184755, 33887517990, 91, 43404, 21480921, 11765865678, 6862930841141, 4169289730628814, 258, 338259, 497812638, 816999710223, 1429469771994078, 2605213713043722909, 4883659745750360600262, 729, 2679228, 11765822365, 57906482267826, 303941554100145501]