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.

A288961 Number of 3-cycles in the n X n rook graph.

Table of values

n a(n)
1 0
2 0
3 6
4 32
5 100
6 240
7 490
8 896
9 1512
10 2400
11 3630
12 5280
13 7436
14 10192
15 13650
16 17920
17 23120
18 29376
19 36822
20 45600
21 55860
22 67760
23 81466
24 97152
25 115000
26 135200
27 157950
28 183456
29 211932
30 243600
31 278690
32 317440
33 360096
34 406912
35 458150
36 514080
37 574980
38 641136
39 712842
40 790400

List of values

[0, 0, 6, 32, 100, 240, 490, 896, 1512, 2400, 3630, 5280, 7436, 10192, 13650, 17920, 23120, 29376, 36822, 45600, 55860, 67760, 81466, 97152, 115000, 135200, 157950, 183456, 211932, 243600, 278690, 317440, 360096, 406912, 458150, 514080, 574980, 641136, 712842, 790400]