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 A268025 #3 Jan 24 2016 14:09:25 %S A268025 622,386884,117582228,32747526923,7174118632004,1411837587469431, %T A268025 246293069495528675,39525521232781700051 %N A268025 Number of nX6 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value. %C A268025 Column 6 of A268026. %e A268025 Some solutions for n=1 %e A268025 ..1..0..0..0..0..0....0..2..1..2..0..1....0..0..2..0..2..1....1..2..2..0..1..2 %Y A268025 Cf. A268026. %K A268025 nonn %O A268025 1,1 %A A268025 _R. H. Hardin_, Jan 24 2016