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 A200895 #7 Jul 22 2025 15:59:23 %S A200895 6,15,33,46,44,20,214,1055,3020,5124,4965,2136,27564,156000,491176, %T A200895 899572,909040,394760,5486260,32803375,107532655,203115730,209292900, %U A200895 91748000,1319324175,8093115065,27032377190,51739373280,53721457020 %N A200895 Number of nX1 0..5 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 A200895 Column 1 of A200902 %H A200895 R. H. Hardin, <a href="/A200895/b200895.txt">Table of n, a(n) for n = 1..181</a> %e A200895 Some solutions for n=3 %e A200895 ..0....3....1....1....2....0....3....0....2....1....2....0....0....1....0....1 %e A200895 ..1....4....5....3....4....4....5....3....3....3....5....3....4....4....1....2 %e A200895 ..2....5....4....5....5....5....4....4....5....4....4....2....3....5....3....3 %K A200895 nonn %O A200895 1,1 %A A200895 _R. H. Hardin_ Nov 23 2011