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.

A302670 T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 3
6 0
7 2
8 14
9 11
10 0
11 3
12 45
13 43
14 34
15 0
16 5
17 146
18 164
19 194
20 111
21 0
22 8
23 537
24 760
25 934
26 691
27 361
28 0
29 13
30 1934
31 3425
32 6110
33 4267
34 2802
35 1172
36 0
37 21
38 6861
39 15569
40 38736
41 42367
42 21949
43 10660
44 3809
45 0
46 34
47 24386
48 70323
49 251254
50 352174
51 316977
52 106793
53 41839

List of values

[0, 1, 0, 1, 3, 0, 2, 14, 11, 0, 3, 45, 43, 34, 0, 5, 146, 164, 194, 111, 0, 8, 537, 760, 934, 691, 361, 0, 13, 1934, 3425, 6110, 4267, 2802, 1172, 0, 21, 6861, 15569, 38736, 42367, 21949, 10660, 3809, 0, 34, 24386, 70323, 251254, 352174, 316977, 106793, 41839]