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 A232044 #6 Jul 23 2025 06:49:52 %S A232044 12,79,1315,22063,377676,6430408,109609484,1868028342,31836538191, %T A232044 542586883485,9247235554661,157599508115116,2685948646284826, %U A232044 45776288238345925,780159569752010830,13296162250888648968 %N A232044 Number of nX5 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors. %C A232044 Column 5 of A232047 %H A232044 R. H. Hardin, <a href="/A232044/b232044.txt">Table of n, a(n) for n = 1..210</a> %F A232044 Empirical: a(n) = 12*a(n-1) +99*a(n-2) -133*a(n-3) -1593*a(n-4) +638*a(n-5) +9006*a(n-6) -2223*a(n-7) -18168*a(n-8) +4203*a(n-9) +6433*a(n-10) -453*a(n-11) -1184*a(n-12) +28*a(n-13) +96*a(n-14) for n>15 %e A232044 Some solutions for n=4 %e A232044 ..1..0..0..1..0....0..0..0..0..1....1..1..1..0..0....1..0..0..0..0 %e A232044 ..0..0..1..0..0....1..0..0..0..1....1..0..0..0..1....0..0..0..0..0 %e A232044 ..1..0..0..0..1....1..1..0..0..0....0..0..0..0..0....1..1..0..0..0 %e A232044 ..0..0..1..1..1....1..1..1..0..0....0..0..1..1..1....0..0..0..0..0 %K A232044 nonn %O A232044 1,1 %A A232044 _R. H. Hardin_, Nov 17 2013