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.

A232050 Number of 4Xn 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Table of values

n a(n)
1 16
2 65
3 446
4 3082
5 22063
6 153562
7 1060850
8 7322233
9 50611921
10 350063149
11 2421230532
12 16745004894
13 115803439202
14 800864168388
15 5538580113288
16 38303510063492
17 264897950563469
18 1831970665295301
19 12669468933770841

List of values

[16, 65, 446, 3082, 22063, 153562, 1060850, 7322233, 50611921, 350063149, 2421230532, 16745004894, 115803439202, 800864168388, 5538580113288, 38303510063492, 264897950563469, 1831970665295301, 12669468933770841]