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.

A297802 T(n,k) = Number of n X k 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 11
9 4
10 1
11 1
12 24
13 37
14 7
15 1
16 1
17 38
18 100
19 108
20 14
21 1
22 1
23 105
24 293
25 422
26 533
27 31
28 1
29 1
30 381
31 1320
32 2195
33 2936
34 2434
35 69
36 1
37 1
38 1067
39 6215
40 16006
41 23781
42 17899
43 10287
44 155
45 1
46 1
47 2676
48 24879
49 115773
50 320168
51 231921
52 104985
53 45968
54 354
55 1
56 1
57 7533
58 99567

List of values

[1, 1, 1, 1, 2, 1, 1, 11, 4, 1, 1, 24, 37, 7, 1, 1, 38, 100, 108, 14, 1, 1, 105, 293, 422, 533, 31, 1, 1, 381, 1320, 2195, 2936, 2434, 69, 1, 1, 1067, 6215, 16006, 23781, 17899, 10287, 155, 1, 1, 2676, 24879, 115773, 320168, 231921, 104985, 45968, 354, 1, 1, 7533, 99567]