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.
%I A279463 #4 Dec 12 2016 15:18:20 %S A279463 5,66,1024,15484,223261,3086910,41706415,555052466,7290902341, %T A279463 94741575142,1220402478079,15606462944668,198344727196650, %U A279463 2507419882264676,31552047403315039,395430103470867594 %N A279463 Number of nX5 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. %C A279463 Column 5 of A279466. %H A279463 R. H. Hardin, <a href="/A279463/b279463.txt">Table of n, a(n) for n = 1..210</a> %e A279463 Some solutions for n=4 %e A279463 ..0..0..1..0..1. .0..1..1..1..0. .0..1..0..1..1. .0..1..0..1..0 %e A279463 ..1..0..1..0..1. .1..0..0..0..1. .0..0..1..0..0. .0..1..0..0..1 %e A279463 ..0..0..1..1..1. .0..1..1..0..1. .1..0..1..0..1. .1..0..1..0..1 %e A279463 ..1..0..0..0..0. .0..1..0..0..0. .0..1..0..1..1. .0..1..1..1..0 %Y A279463 Cf. A279466. %K A279463 nonn %O A279463 1,1 %A A279463 _R. H. Hardin_, Dec 12 2016