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 A267965 #3 Jan 22 2016 14:30:15 %S A267965 394,155236,30649446,5520230601,788980366553,102223499117744, %T A267965 11810588915957470,1265251769611245447,126142642452394981113, %U A267965 11881829182693062116809 %N A267965 Number of nX6 0..2 arrays with every repeated value in every row and column greater than the previous repeated value. %C A267965 Column 6 of A267966. %e A267965 Some solutions for n=2 %e A267965 ..0..1..1..0..1..0....1..0..0..1..2..1....2..0..1..2..0..1....1..0..0..2..1..2 %e A267965 ..1..2..0..2..1..1....0..1..2..1..2..2....1..2..0..1..0..2....0..2..0..1..2..2 %Y A267965 Cf. A267966. %K A267965 nonn %O A267965 1,1 %A A267965 _R. H. Hardin_, Jan 22 2016