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 A295118 #4 Nov 15 2017 06:20:07 %S A295118 9,85,665,5793,49302,420519,3590821,30650456,261518933,2232138695, %T A295118 19050970320,162588578831,1387635803762,11842933188678, %U A295118 101074697830670,862633152321378,7362232721371648,62833751476788374,536261351701937815 %N A295118 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s. %C A295118 Column 6 of A295120. %H A295118 R. H. Hardin, <a href="/A295118/b295118.txt">Table of n, a(n) for n = 1..210</a> %H A295118 R. H. Hardin, <a href="/A295118/a295118.txt">Empirical recurrence of order 78</a> %F A295118 Empirical recurrence of order 78 (see link above) %e A295118 Some solutions for n=5 %e A295118 ..0..0..1..1..0..0. .0..0..1..0..0..1. .1..0..0..1..1..0. .0..0..1..1..0..0 %e A295118 ..1..0..0..0..0..1. .0..0..1..0..0..1. .1..0..0..0..0..1. .0..0..0..0..0..0 %e A295118 ..1..0..1..1..0..1. .1..1..0..0..0..0. .0..1..1..0..0..1. .0..0..0..0..1..0 %e A295118 ..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..1..1..1 %e A295118 ..0..0..0..1..1..0. .0..0..0..0..0..0. .0..1..1..0..0..0. .0..0..0..0..1..0 %Y A295118 Cf. A295120. %K A295118 nonn %O A295118 1,1 %A A295118 _R. H. Hardin_, Nov 15 2017