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.

A302224 T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 3 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
26 675
27 361
28 0
29 13
30 1934
31 3425
32 6110
33 4237
34 2666
35 1172
36 0
37 21
38 6861
39 15569
40 38736
41 40395
42 21777
43 9819
44 3809
45 0
46 34
47 24386
48 70323
49 251254
50 338204
51 292781
52 105585
53 37382

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, 675, 361, 0, 13, 1934, 3425, 6110, 4237, 2666, 1172, 0, 21, 6861, 15569, 38736, 40395, 21777, 9819, 3809, 0, 34, 24386, 70323, 251254, 338204, 292781, 105585, 37382]