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 A200775 #6 Jul 22 2025 15:55:51 %S A200775 6,31,217,1806,13422,91755,633413,4472626,30905995,209517906, %T A200775 1388328518,9240921228,61120602235,401793563633,2619241322237, %U A200775 17009669381881,110033650331158,709134941588286 %N A200775 Number of nX6 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. %C A200775 Column 6 of A200777 %e A200775 Some solutions for n=4 %e A200775 ..0..0..0..0..1..1....0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..0..0..1 %e A200775 ..0..0..2..1..2..1....0..1..1..2..2..2....0..1..2..1..1..1....0..1..2..1..2..2 %e A200775 ..0..2..1..2..2..2....0..2..1..1..1..2....0..2..1..1..1..2....0..1..1..2..1..2 %e A200775 ..0..1..1..1..2..2....0..2..1..1..2..2....1..2..2..2..2..2....0..1..2..1..2..2 %K A200775 nonn %O A200775 1,1 %A A200775 _R. H. Hardin_ Nov 22 2011