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.

A187291 Number of 6-step one or two space at a time rook's tours on an n X n board summed over all starting positions.

Table of values

n a(n)
1 0
2 0
3 1440
4 15424
5 57288
6 134408
7 248208
8 397152
9 580328
10 797160
11 1047532
12 1331408
13 1648788
14 1999672
15 2384060
16 2801952
17 3253348
18 3738248
19 4256652
20 4808560
21 5393972
22 6012888
23 6665308
24 7351232
25 8070660
26 8823592
27 9610028
28 10429968
29 11283412

List of values

[0, 0, 1440, 15424, 57288, 134408, 248208, 397152, 580328, 797160, 1047532, 1331408, 1648788, 1999672, 2384060, 2801952, 3253348, 3738248, 4256652, 4808560, 5393972, 6012888, 6665308, 7351232, 8070660, 8823592, 9610028, 10429968, 11283412]