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 A200899 #6 Jul 22 2025 15:59:50 %S A200899 44,3247,219302,8982755,218373106,2162004143,784706456797 %N A200899 Number of nX5 0..5 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 A200899 Column 5 of A200902 %e A200899 Some solutions for n=3 %e A200899 ..0..0..0..3..2....0..0..2..1..3....0..0..0..3..3....0..0..0..2..3 %e A200899 ..1..2..2..5..3....0..2..4..3..4....1..1..4..4..5....1..1..2..5..3 %e A200899 ..1..4..5..4..4....1..3..5..4..5....2..2..5..5..4....2..5..4..4..4 %K A200899 nonn %O A200899 1,1 %A A200899 _R. H. Hardin_ Nov 23 2011