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 A200896 #7 Jul 22 2025 15:59:29 %S A200896 15,30,13,649,3247,1483,84463,395138,147370,10892006,61376744, %T A200896 26060323,1860718688,9722469665,3689916515,298977508446,1746612244800, %U A200896 731620635705,56300135952299,307084986199367,118048036603381 %N A200896 Number of nX2 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 A200896 Column 2 of A200902 %H A200896 R. H. Hardin, <a href="/A200896/b200896.txt">Table of n, a(n) for n = 1..33</a> %e A200896 Some solutions for n=3 %e A200896 ..0..1....0..2....0..3....0..1....0..2....0..3....0..3....0..2....0..1....0..3 %e A200896 ..2..3....1..4....1..4....2..5....1..5....2..4....2..5....1..3....3..5....1..5 %e A200896 ..4..5....3..5....2..5....3..4....3..4....1..5....1..4....4..5....2..4....2..4 %K A200896 nonn %O A200896 1,1 %A A200896 _R. H. Hardin_ Nov 23 2011