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 A201829 #8 Jul 22 2025 16:21:49 %S A201829 4,50,1629,135236,29732625,17998651651,31002396811493 %N A201829 Number of n X n 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. %C A201829 Diagonal of A201836 %e A201829 Some solutions for n=3 %e A201829 ..0..3..3....0..1..2....0..2..2....0..2..2....1..1..2....0..0..1....1..2..2 %e A201829 ..0..3..3....0..1..2....2..2..3....2..2..3....1..2..2....1..1..2....1..3..2 %e A201829 ..0..3..3....0..2..2....2..3..3....2..2..3....2..2..3....2..3..3....2..3..3 %K A201829 nonn %O A201829 1,1 %A A201829 _R. H. Hardin_ Dec 05 2011