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A200708 Number of nX2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards 1

%I #5 Mar 31 2012 12:36:40

%S 36,540,7370,95567,1196837,14599041,174544948,2054226643,23879098633,

%T 274805736757,3136426281937,35550221949225,400585306584414,

%U 4491028688561012,50128085812559568,557352332775257512

%N Number of nX2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards

%C Column 2 of A200713

%H R. H. Hardin, <a href="/A200708/b200708.txt">Table of n, a(n) for n = 1..86</a>

%e Some solutions for n=3

%e ..1..5....3..7....0..5....0..3....1..2....0..2....0..0....0..2....1..4....5..5

%e ..2..5....6..7....0..7....0..6....2..7....3..3....5..6....0..6....1..5....7..7

%e ..7..7....6..7....5..6....3..5....5..6....7..7....4..6....6..6....3..7....6..7

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 20 2011

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)