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.

A297544 T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 3 neighboring 1s.

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 35
14 7
15 1
16 1
17 38
18 93
19 88
20 14
21 1
22 1
23 105
24 197
25 275
26 461
27 31
28 1
29 1
30 381
31 905
32 1233
33 2205
34 2050
35 69
36 1
37 1
38 1067
39 4617
40 10234
41 12161
42 13248
43 8057
44 155
45 1
46 1
47 2676
48 17190
49 65363
50 205888
51 94647
52 67215
53 35640
54 354
55 1
56 1
57 7533
58 60751
59 355573

List of values

[1, 1, 1, 1, 2, 1, 1, 11, 4, 1, 1, 24, 35, 7, 1, 1, 38, 93, 88, 14, 1, 1, 105, 197, 275, 461, 31, 1, 1, 381, 905, 1233, 2205, 2050, 69, 1, 1, 1067, 4617, 10234, 12161, 13248, 8057, 155, 1, 1, 2676, 17190, 65363, 205888, 94647, 67215, 35640, 354, 1, 1, 7533, 60751, 355573]