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 A201152 #7 Jul 22 2025 16:07:52 %S A201152 32,330,2910,22183,153796,988216,6002677,34907951,196209473, %T A201152 1073245835,5743380130,30190482143,156366599219,799859107532, %U A201152 4048379560069,20304198548926,101028745597855,499209984568710,2451625415035065 %N A201152 Number of nX5 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. %C A201152 Column 5 of A201155 %H A201152 R. H. Hardin, <a href="/A201152/b201152.txt">Table of n, a(n) for n = 1..30</a> %e A201152 Some solutions for n=4 %e A201152 ..0..0..0..0..0....0..0..0..2..1....0..0..0..0..1....0..0..0..0..0 %e A201152 ..0..0..0..1..1....0..0..2..2..2....0..0..1..1..2....0..0..2..1..2 %e A201152 ..0..0..0..2..2....0..1..2..2..2....0..2..1..2..2....1..2..2..2..2 %e A201152 ..0..0..1..2..2....1..1..2..2..2....0..1..1..2..2....1..2..2..2..2 %K A201152 nonn %O A201152 1,1 %A A201152 _R. H. Hardin_ Nov 27 2011