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 A279131 #6 Dec 06 2016 19:01:34 %S A279131 3,87,820,6396,47452,316516,2017028,12376570,73672888,428568648, %T A279131 2445310419,13733337644,76104228971,416938845972,2261749445562, %U A279131 12163774256441,64922115452637,344182830696292,1813720428133600 %N A279131 Number of nX5 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. %C A279131 Column 5 of A279134. %H A279131 R. H. Hardin, <a href="/A279131/b279131.txt">Table of n, a(n) for n = 1..250</a> %H A279131 R. H. Hardin, <a href="/A279131/a279131.txt">Empirical recurrence of order 88</a> %F A279131 Empirical recurrence of order 88 (see link above) %e A279131 Some solutions for n=4 %e A279131 ..0..1..0..1..0. .0..0..1..0..1. .0..1..1..0..1. .0..1..0..1..0 %e A279131 ..1..0..1..1..0. .1..0..1..0..1. .1..0..0..1..0. .1..1..0..0..1 %e A279131 ..0..0..1..1..1. .0..1..0..1..0. .1..0..1..1..1. .0..0..1..1..0 %e A279131 ..1..1..0..1..0. .1..1..0..1..0. .0..0..0..1..0. .0..1..1..0..1 %Y A279131 Cf. A279134. %K A279131 nonn %O A279131 1,1 %A A279131 _R. H. Hardin_, Dec 06 2016