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 A283577 #4 Mar 11 2017 08:22:09 %S A283577 0,924,36038,528436,12699250,226897932,4173039716,75680334636, %T A283577 1325245534158,23188665136084,399584953679136,6833558444087984, %U A283577 116073651385176490,1958677669677212976,32888238393714753228 %N A283577 Number of 6Xn 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 A283577 Row 6 of A283572. %H A283577 R. H. Hardin, <a href="/A283577/b283577.txt">Table of n, a(n) for n = 1..210</a> %H A283577 R. H. Hardin, <a href="/A283577/a283577.txt">Empirical recurrence of order 64</a> %F A283577 Empirical recurrence of order 64 (see link above) %e A283577 Some solutions for n=3 %e A283577 ..0..0..0. .1..0..0. .1..1..1. .1..0..1. .1..1..0. .1..0..1. .0..1..1 %e A283577 ..0..0..1. .0..1..0. .1..0..1. .1..0..0. .1..0..0. .1..1..1. .1..0..0 %e A283577 ..1..1..1. .0..0..0. .1..0..1. .0..0..0. .0..0..1. .1..0..1. .0..0..0 %e A283577 ..1..0..1. .0..0..1. .0..0..0. .0..0..0. .1..0..0. .1..0..0. .1..0..0 %e A283577 ..1..0..0. .1..1..1. .0..0..0. .0..0..1. .0..0..1. .1..0..0. .1..0..0 %e A283577 ..1..0..1. .0..0..1. .0..0..1. .1..1..1. .1..0..1. .0..0..1. .0..0..0 %Y A283577 Cf. A283572. %K A283577 nonn %O A283577 1,2 %A A283577 _R. H. Hardin_, Mar 11 2017