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.

A279153 Number of nX3 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 2
2 4
3 20
4 72
5 255
6 874
7 2903
8 9336
9 29578
10 92528
11 285992
12 875912
13 2662819
14 8042606
15 24156735
16 72211820
17 214959872
18 637526372
19 1884571600
20 5554575752
21 16328272725
22 47884030342
23 140118979793
24 409205295972
25 1192876666588
26 3471548282192

List of values

[2, 4, 20, 72, 255, 874, 2903, 9336, 29578, 92528, 285992, 875912, 2662819, 8042606, 24156735, 72211820, 214959872, 637526372, 1884571600, 5554575752, 16328272725, 47884030342, 140118979793, 409205295972, 1192876666588, 3471548282192]