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.

A297395 T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 5
6 1
7 4
8 9
9 9
10 1
11 6
12 13
13 19
14 20
15 1
16 9
17 33
18 37
19 57
20 41
21 1
22 13
23 69
24 127
25 126
26 139
27 85
28 1
29 19
30 121
31 323
32 700
33 385
34 369
35 178
36 1
37 28
38 253
39 763
40 2569
41 3175
42 1243
43 963
44 369
45 1
46 41
47 529
48 2121
49 7779
50 14940
51 15541
52 3924
53 2489
54 769
55 1
56 60
57 1013
58 5557
59 31081
60 58901
61 99682

List of values

[1, 2, 1, 3, 5, 1, 4, 9, 9, 1, 6, 13, 19, 20, 1, 9, 33, 37, 57, 41, 1, 13, 69, 127, 126, 139, 85, 1, 19, 121, 323, 700, 385, 369, 178, 1, 28, 253, 763, 2569, 3175, 1243, 963, 369, 1, 41, 529, 2121, 7779, 14940, 15541, 3924, 2489, 769, 1, 60, 1013, 5557, 31081, 58901, 99682]