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 A200829 #8 Jul 22 2025 15:57:54 %S A200829 2070,709506,207535740,54981059192,13551445405790,3164384915244242 %N A200829 Number of nX6 0..5 arrays with every row and column running average nondecreasing rightwards and downwards. %C A200829 Column 6 of A200831 %e A200829 Some solutions for n=3 %e A200829 ..0..0..0..0..2..1....0..0..0..0..2..1....0..0..0..3..1..4....0..0..0..0..1..1 %e A200829 ..0..0..0..3..4..5....0..0..0..1..3..3....0..0..0..3..1..5....0..0..0..1..1..4 %e A200829 ..0..0..0..3..5..5....0..0..0..5..3..5....0..0..0..3..5..5....0..0..0..4..1..3 %K A200829 nonn %O A200829 1,1 %A A200829 _R. H. Hardin_ Nov 23 2011