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 A222966 #12 Dec 05 2021 10:38:24 %S A222966 12,48,576,3140,37680,264384,3441888,27387944,361269072,3225928864, %T A222966 42721628400,406849454892,5367772345392,53623428017220, %U A222966 702878396190336,7266377873987616,94437176916813264,1001872830089699424 %N A222966 Number of n X 5 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope. %H A222966 R. H. Hardin, <a href="/A222966/b222966.txt">Table of n, a(n) for n = 1..21</a> %e A222966 Some solutions for n=3: %e A222966 0 0 0 1 1 0 1 0 0 1 0 0 0 1 1 0 0 1 1 1 %e A222966 0 1 0 1 1 0 1 0 1 1 1 0 0 1 1 0 0 1 0 1 %e A222966 0 0 0 1 1 0 1 1 1 1 0 0 1 1 1 0 1 1 1 1 %Y A222966 Column 4 of A222969. %K A222966 nonn %O A222966 1,1 %A A222966 _R. H. Hardin_, Mar 10 2013