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 A283570 #4 Mar 11 2017 08:15:56 %S A283570 12,908,21186,509952,10919674,226897932,4558585174,89724600000, %T A283570 1736716820366,33188681249924,627668838247742,11769603893466432, %U A283570 219120313902873796,4054721455598417092,74638990577755174088 %N A283570 Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. %C A283570 Column 6 of A283572. %H A283570 R. H. Hardin, <a href="/A283570/b283570.txt">Table of n, a(n) for n = 1..210</a> %H A283570 R. H. Hardin, <a href="/A283570/a283570.txt">Empirical recurrence of order 54</a> %F A283570 Empirical recurrence of order 54 (see link above) %e A283570 Some solutions for n=3 %e A283570 ..0..1..0..0..0..0. .0..0..0..1..1..0. .1..0..1..1..1..0. .1..0..0..1..1..0 %e A283570 ..0..1..1..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..0..0..0..0..0 %e A283570 ..0..1..0..0..0..0. .1..1..1..0..0..1. .1..1..0..0..1..1. .1..0..1..1..1..0 %Y A283570 Cf. A283572. %K A283570 nonn %O A283570 1,1 %A A283570 _R. H. Hardin_, Mar 11 2017