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.

A172517 Number of ways to place 2 nonattacking queens on an n X n toroidal board.

Table of values

n a(n)
1 0
2 0
3 0
4 32
5 100
6 288
7 588
8 1152
9 1944
10 3200
11 4840
12 7200
13 10140
14 14112
15 18900
16 25088
17 32368
18 41472
19 51984
20 64800
21 79380
22 96800
23 116380
24 139392
25 165000
26 194688
27 227448
28 264992
29 306124
30 352800
31 403620
32 460800
33 522720
34 591872
35 666400
36 749088
37 837828

List of values

[0, 0, 0, 32, 100, 288, 588, 1152, 1944, 3200, 4840, 7200, 10140, 14112, 18900, 25088, 32368, 41472, 51984, 64800, 79380, 96800, 116380, 139392, 165000, 194688, 227448, 264992, 306124, 352800, 403620, 460800, 522720, 591872, 666400, 749088, 837828]