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.

A231647 Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

Table of values

n a(n)
1 22
2 341
3 7682
4 137961
5 2412274
6 42882766
7 765163605
8 13643499478
9 243317286312
10 4340128403053
11 77412117578960
12 1380680024126767
13 24625023800964584
14 439200986311182069
15 7833405373009045177
16 139713294059336266128

List of values

[22, 341, 7682, 137961, 2412274, 42882766, 765163605, 13643499478, 243317286312, 4340128403053, 77412117578960, 1380680024126767, 24625023800964584, 439200986311182069, 7833405373009045177, 139713294059336266128]

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

Content is available under The OEIS End-User License Agreement.