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.

A187293 Number of 8-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 2664
4 134944
5 866888
6 2732016
7 6049424
8 10906120
9 17282088
10 25129488
11 34417440
12 45129696
13 57260948
14 70809512
15 85775112
16 102157696
17 119957264
18 139173816
19 159807352
20 181857872
21 205325376
22 230209864
23 256511336
24 284229792

List of values

[0, 0, 2664, 134944, 866888, 2732016, 6049424, 10906120, 17282088, 25129488, 34417440, 45129696, 57260948, 70809512, 85775112, 102157696, 119957264, 139173816, 159807352, 181857872, 205325376, 230209864, 256511336, 284229792]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.