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 A231763 #6 Jul 23 2025 06:41:09 %S A231763 9409,440896,30958096,2217939025,146247350929,9934984224361, %T A231763 682267982467600,46367367209812224,3151689997684400676, %U A231763 214862774587748825616,14634892191955776597081,996191537899297169858481 %N A231763 Number of (n+1)X(7+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one. %C A231763 Column 7 of A231764 %H A231763 R. H. Hardin, <a href="/A231763/b231763.txt">Table of n, a(n) for n = 1..210</a> %e A231763 Some solutions for n=1 %e A231763 ..0..1..1..0..1..0..0..1....1..0..1..1..0..0..0..1....1..1..1..1..0..0..0..0 %e A231763 ..0..0..0..1..0..0..0..0....0..0..0..1..1..0..0..0....0..0..0..0..0..1..1..1 %K A231763 nonn %O A231763 1,1 %A A231763 _R. H. Hardin_, Nov 13 2013