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.

A231753 T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 3
2 3
3 3
4 9
5 15
6 9
7 22
8 51
9 51
10 22
11 51
12 186
13 589
14 186
15 51
16 121
17 687
18 5106
19 5106
20 687
21 121
22 292
23 2485
24 41288
25 101517
26 41288
27 2485
28 292
29 704
30 9068
31 397219
32 1787168
33 1787168
34 397219
35 9068
36 704
37 1691
38 33308
39 3745096
40 36596191
41 67411714
42 36596191
43 3745096

List of values

[3, 3, 3, 9, 15, 9, 22, 51, 51, 22, 51, 186, 589, 186, 51, 121, 687, 5106, 5106, 687, 121, 292, 2485, 41288, 101517, 41288, 2485, 292, 704, 9068, 397219, 1787168, 1787168, 397219, 9068, 704, 1691, 33308, 3745096, 36596191, 67411714, 36596191, 3745096]