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 A279982 #4 Dec 24 2016 08:40:38 %S A279982 0,366,8666,118857,1393359,14787217,144819856,1355133674,12222561957, %T A279982 107168421376,919014967352,7738697955701,64184333582436, %U A279982 525544904926118,4256024819831325,34138948634797208,271561971723338553 %N A279982 Number of 6Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. %C A279982 Row 6 of A279977. %H A279982 R. H. Hardin, <a href="/A279982/b279982.txt">Table of n, a(n) for n = 1..124</a> %e A279982 Some solutions for n=4 %e A279982 ..0..1..0..1. .0..1..0..1. .0..0..1..0. .0..0..1..0. .0..1..0..1 %e A279982 ..1..0..1..0. .1..0..0..0. .1..0..1..1. .1..1..0..0. .1..0..1..0 %e A279982 ..0..0..1..0. .0..1..1..0. .1..0..1..0. .0..1..1..1. .1..0..0..1 %e A279982 ..0..1..1..0. .0..0..1..0. .1..1..0..1. .1..0..0..1. .1..0..1..0 %e A279982 ..0..0..1..0. .1..0..0..1. .0..0..1..1. .0..0..1..1. .1..1..0..1 %e A279982 ..1..0..0..1. .0..1..0..0. .1..0..0..1. .1..0..0..1. .0..1..1..0 %Y A279982 Cf. A279977. %K A279982 nonn %O A279982 1,2 %A A279982 _R. H. Hardin_, Dec 24 2016