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 A317762 #4 Aug 06 2018 11:50:49 %S A317762 32,89,100,127,177,266,425,709,1217,2126,3753,6666,11882,21223,37952, %T A317762 67914,121578,217696,389856,698220,1250549,2239862,4011891,7185904, %U A317762 12871122,23054360,41294363,73965487,132485357,237305006,425055936 %N A317762 Number of nX6 0..1 arrays with every element unequal to 0, 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. %C A317762 Column 6 of A317764. %H A317762 R. H. Hardin, <a href="/A317762/b317762.txt">Table of n, a(n) for n = 1..210</a> %F A317762 Empirical: a(n) = 2*a(n-1) +a(n-2) -2*a(n-3) -a(n-4) +a(n-7) for n>10 %e A317762 Some solutions for n=5 %e A317762 ..0..0..0..0..0..0. .0..1..1..0..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0 %e A317762 ..1..1..1..1..1..1. .0..1..1..0..0..0. .0..1..1..0..0..1. .0..0..0..0..0..1 %e A317762 ..1..1..1..1..1..1. .0..1..1..0..0..0. .1..1..0..0..1..1. .0..0..0..0..1..1 %e A317762 ..1..1..1..1..1..0. .0..1..1..0..0..0. .1..0..0..1..1..0. .0..0..0..1..1..0 %e A317762 ..1..1..1..1..0..0. .0..1..1..0..0..1. .0..0..1..1..0..0. .0..0..1..1..0..0 %Y A317762 Cf. A317764. %K A317762 nonn %O A317762 1,1 %A A317762 _R. H. Hardin_, Aug 06 2018