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 A200532 #7 Jul 22 2025 15:51:18 %S A200532 53,825,10292,111085,1092645,10000162,87098434,731106792,5964324991, %T A200532 47562454949,372415747947,2872854627301,21889626638130, %U A200532 165068050869351,1233859196014348,9153541048411929,67464412472963033,494406133695289336 %N A200532 Number of nX6 0..2 arrays with every row and column running average nondecreasing rightwards and downwards. %C A200532 Column 6 of A200534 %H A200532 R. H. Hardin, <a href="/A200532/b200532.txt">Table of n, a(n) for n = 1..26</a> %e A200532 Some solutions for n=4 %e A200532 ..0..0..0..0..0..0....0..0..0..1..1..1....0..0..0..0..2..1....0..0..0..1..1..1 %e A200532 ..0..1..1..1..1..2....0..0..0..1..2..2....0..0..0..0..2..1....0..0..0..1..1..1 %e A200532 ..0..1..1..1..2..1....0..0..0..1..2..2....0..0..2..1..2..2....0..0..2..1..2..1 %e A200532 ..0..1..1..1..2..1....0..0..1..1..2..2....2..2..2..2..2..2....0..2..2..2..2..2 %K A200532 nonn %O A200532 1,1 %A A200532 _R. H. Hardin_ Nov 18 2011