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.

A187850 T(n,k) is the number of n-step king-knight's tours (piece capable of both kinds of moves) on a k X k board summed over all starting positions.

Table of values

n a(n)
1 1
2 4
3 0
4 9
5 12
6 0
7 16
8 56
9 24
10 0
11 25
12 132
13 304
14 24
15 0
16 36
17 240
18 1056
19 1400
20 0
21 0
22 49
23 380
24 2312
25 7620
26 5328
27 0
28 0
29 64
30 552
31 4048
32 20952
33 49776
34 16032
35 0
36 0
37 81
38 756
39 6264
40 41652
41 177040
42 292776
43 35328
44 0
45 0
46 100
47 992
48 8960
49 69456
50 408048
51 1400168
52 1533064
53 49536
54 0
55 0

List of values

[1, 4, 0, 9, 12, 0, 16, 56, 24, 0, 25, 132, 304, 24, 0, 36, 240, 1056, 1400, 0, 0, 49, 380, 2312, 7620, 5328, 0, 0, 64, 552, 4048, 20952, 49776, 16032, 0, 0, 81, 756, 6264, 41652, 177040, 292776, 35328, 0, 0, 100, 992, 8960, 69456, 408048, 1400168, 1533064, 49536, 0, 0]