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.

A067015 Triangle T(n,k) (n>=1, rows have irregular lengths) giving number of arrangements of k nonattacking princes on an n X n staggered hexagonal torus board.

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 9
6 9
7 3
8 1
9 16
10 72
11 96
12 32
13 1
14 25
15 225
16 910
17 1695
18 1355
19 440
20 70
21 5
22 1
23 36
24 522
25 3936
26 16659
27 39996
28 52860
29 36108
30 11871
31 1960
32 270
33 36
34 3
35 1
36 49
37 1029
38 12166
39 89551
40 429058
41 1361619
42 2864113
43 3946208
44 3481835
45 1904833
46 621026
47 116060
48 12285
49 693
50 7

List of values

[1, 1, 4, 1, 9, 9, 3, 1, 16, 72, 96, 32, 1, 25, 225, 910, 1695, 1355, 440, 70, 5, 1, 36, 522, 3936, 16659, 39996, 52860, 36108, 11871, 1960, 270, 36, 3, 1, 49, 1029, 12166, 89551, 429058, 1361619, 2864113, 3946208, 3481835, 1904833, 621026, 116060, 12285, 693, 7]