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.

A231419 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

n a(n)
1 9
2 71
3 50
4 514
5 1032
6 285
7 3838
8 20896
9 15125
10 1617
11 28486
12 424404
13 844061
14 221445
15 9188
16 212060
17 8704406
18 46978621
19 34099824
20 3245016
21 52193
22 1578180
23 178277756
24 2655479347
25 5203044823
26 1378646988
27 47557773
28 296511
29 11748804
30 3654045516

List of values

[9, 71, 50, 514, 1032, 285, 3838, 20896, 15125, 1617, 28486, 424404, 844061, 221445, 9188, 212060, 8704406, 46978621, 34099824, 3245016, 52193, 1578180, 178277756, 2655479347, 5203044823, 1378646988, 47557773, 296511, 11748804, 3654045516]