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.

A283114 Number of nonequivalent ways (mod D_3) to place 3 points on an n X n X n triangular grid so that no two of them are on the same row, column or diagonal.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 5
6 23
7 82
8 230
9 560
10 1208
11 2392
12 4405
13 7673
14 12733
15 20320
16 31326
17 46914
18 68460
19 97698
20 136635
21 187737
22 253813
23 338240
24 444818
25 578038
26 742898
27 945224
28 1191443
29 1488955
30 1845865
31 2271410
32 2775640
33 3369910
34 4066506
35 4879200
36 5822823
37 6913887
38 8170095

List of values

[0, 0, 0, 1, 5, 23, 82, 230, 560, 1208, 2392, 4405, 7673, 12733, 20320, 31326, 46914, 68460, 97698, 136635, 187737, 253813, 338240, 444818, 578038, 742898, 945224, 1191443, 1488955, 1845865, 2271410, 2775640, 3369910, 4066506, 4879200, 5822823, 6913887, 8170095]