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 A297766 #4 Jan 05 2018 19:03:26 %S A297766 1,14,1045,10639,109228,2263784,45618455,739821272,12181204009, %T A297766 214913229652,3770723150572,64742737047855,1114199103262826, %U A297766 19305756803013227,334233068253483784,5774144936515374280 %N A297766 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s. %C A297766 Row 5 of A297762. %H A297766 R. H. Hardin, <a href="/A297766/b297766.txt">Table of n, a(n) for n = 1..210</a> %e A297766 Some solutions for n=5 %e A297766 ..1..1..0..0..0. .0..0..0..1..1. .0..1..1..1..0. .0..0..0..1..1 %e A297766 ..0..1..1..0..0. .0..0..1..1..1. .0..1..1..1..0. .0..0..0..1..1 %e A297766 ..1..0..1..1..0. .1..1..0..1..0. .0..0..1..0..0. .0..1..0..1..0 %e A297766 ..0..1..0..1..0. .1..1..0..1..1. .0..1..0..1..0. .1..0..1..0..1 %e A297766 ..1..1..1..1..1. .1..1..1..1..0. .0..0..1..0..0. .0..1..0..1..0 %Y A297766 Cf. A297762. %K A297766 nonn %O A297766 1,2 %A A297766 _R. H. Hardin_, Jan 05 2018