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 A200929 #8 Jul 22 2025 16:00:18 %S A200929 7,70,3158,1684241,10179183172 %N A200929 Number of n X n 0..6 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 A200929 Diagonal of A200935 %e A200929 Some solutions for n=3 %e A200929 ..0..1..2....0..3..2....0..3..4....0..2..1....0..0..1....0..1..3....0..2..3 %e A200929 ..1..6..5....1..3..6....2..6..4....4..4..5....3..6..5....0..6..4....1..2..5 %e A200929 ..3..5..4....1..4..5....1..6..5....3..3..6....2..5..4....2..5..6....4..6..6 %K A200929 nonn %O A200929 1,1 %A A200929 _R. H. Hardin_ Nov 24 2011