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.

A303254 T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 3, 5 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 49
14 34
15 0
16 5
17 146
18 203
19 250
20 111
21 0
22 8
23 537
24 955
25 1401
26 1183
27 361
28 0
29 13
30 1934
31 4556
32 10264
33 8664
34 5918
35 1172
36 0
37 21
38 6861
39 21843
40 78679
41 106803
42 55624
43 28680
44 3809
45 0
46 34
47 24386
48 103319
49 584333
50 1218385
51 1105676
52 349273

List of values

[0, 1, 0, 1, 3, 0, 2, 14, 11, 0, 3, 45, 49, 34, 0, 5, 146, 203, 250, 111, 0, 8, 537, 955, 1401, 1183, 361, 0, 13, 1934, 4556, 10264, 8664, 5918, 1172, 0, 21, 6861, 21843, 78679, 106803, 55624, 28680, 3809, 0, 34, 24386, 103319, 584333, 1218385, 1105676, 349273]