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 A200968 #7 Jul 22 2025 16:02:05 %S A200968 28,336,3636,37254,368218,3543465,33420304,310188575,2842734858, %T A200968 25785030510,231905061219,2071004316674,18384294374976, %U A200968 162358277380149,1427441485073845,12500646342073494,109091420391340409 %N A200968 Number of nX2 0..6 arrays with every row and column running average nondecreasing rightwards and downwards. %C A200968 Column 2 of A200974 %H A200968 R. H. Hardin, <a href="/A200968/b200968.txt">Table of n, a(n) for n = 1..99</a> %e A200968 Some solutions for n=3 %e A200968 ..1..1....0..0....1..2....0..0....1..5....0..5....0..3....0..3....1..5....0..2 %e A200968 ..6..6....0..3....2..5....0..1....3..5....1..6....3..3....0..6....4..6....0..2 %e A200968 ..5..5....0..2....4..5....4..4....3..5....4..6....2..3....4..5....3..6....2..5 %K A200968 nonn %O A200968 1,1 %A A200968 _R. H. Hardin_ Nov 25 2011