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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.

A232281 T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 3
2 3
3 9
4 9
5 35
6 27
7 22
8 199
9 104
10 81
11 51
12 1066
13 1672
14 341
15 243
16 121
17 6019
18 23055
19 18117
20 1189
21 729
22 292
23 32301
24 293426
25 604133
26 184115
27 4040
28 2187
29 704
30 174400
31 3476318
32 17145989
33 14477600
34 1774344
35 13560
36 6561
37 1691
38 944500
39 43029161
40 450287974

List of values

[3, 3, 9, 9, 35, 27, 22, 199, 104, 81, 51, 1066, 1672, 341, 243, 121, 6019, 23055, 18117, 1189, 729, 292, 32301, 293426, 604133, 184115, 4040, 2187, 704, 174400, 3476318, 17145989, 14477600, 1774344, 13560, 6561, 1691, 944500, 43029161, 450287974]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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