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.

A187381 Number of 7-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.

Table of values

n a(n)
1 0
2 0
3 18
4 324
5 1418
6 3448
7 6581
8 10688
9 15769
10 21824
11 28853
12 36856
13 45833
14 55784
15 66709
16 78608
17 91481
18 105328
19 120149
20 135944
21 152713
22 170456
23 189173
24 208864
25 229529
26 251168
27 273781
28 297368
29 321929
30 347464
31 373973
32 401456
33 429913
34 459344

List of values

[0, 0, 18, 324, 1418, 3448, 6581, 10688, 15769, 21824, 28853, 36856, 45833, 55784, 66709, 78608, 91481, 105328, 120149, 135944, 152713, 170456, 189173, 208864, 229529, 251168, 273781, 297368, 321929, 347464, 373973, 401456, 429913, 459344]