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 A201834 #6 Jul 22 2025 16:22:23 %S A201834 233,10777,434721,15948080,550056273,17998651651,561578131760, %T A201834 16796197116664,485048305371706,13610530901931151 %N A201834 Number of nX6 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. %C A201834 Column 6 of A201836 %e A201834 Some solutions for n=2 %e A201834 ..0..0..2..1..2..2....0..0..0..0..2..2....0..0..0..0..0..0....0..0..0..1..2..1 %e A201834 ..0..3..3..3..3..3....1..1..3..2..2..2....0..0..0..1..3..2....0..1..2..3..2..2 %K A201834 nonn %O A201834 1,1 %A A201834 _R. H. Hardin_ Dec 05 2011