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 A296126 #4 Dec 05 2017 06:47:08 %S A296126 1,69,265,841,9344,54286,263489,1867837,11720327,67180741,427478196, %T A296126 2684604782,16293846922,101493385902,633831772689,3915691482795, %U A296126 24329648655368,151531436485578,940950081557125,5849298968131709 %N A296126 Number of nX6 0..1 arrays with each 1 adjacent to 2 or 5 king-move neighboring 1s. %C A296126 Column 6 of A296128. %H A296126 R. H. Hardin, <a href="/A296126/b296126.txt">Table of n, a(n) for n = 1..210</a> %e A296126 Some solutions for n=5 %e A296126 ..1..1..0..0..0..1. .0..0..1..0..0..0. .0..1..1..0..1..1. .0..1..0..0..0..0 %e A296126 ..1..0..0..0..1..1. .1..1..1..0..0..0. .0..1..0..0..0..1. .0..1..1..0..0..0 %e A296126 ..0..0..0..0..0..0. .0..1..1..1..1..0. .0..0..0..0..0..0. .0..0..0..0..0..0 %e A296126 ..1..1..0..0..1..0. .0..0..1..0..1..0. .0..1..0..0..1..0. .0..0..0..0..0..0 %e A296126 ..0..1..0..0..1..1. .0..1..1..0..0..0. .1..1..0..0..1..1. .0..0..0..0..0..0 %Y A296126 Cf. A296128. %K A296126 nonn %O A296126 1,2 %A A296126 _R. H. Hardin_, Dec 05 2017