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%I #6 Dec 18 2015 18:17:54
%S 8,540,317656,1630978608,71952946981858
%N Number of n X n 0..7 arrays with every row and column running average nondecreasing rightwards and downwards
%C Diagonal of A200713
%e Some solutions for n=3
%e ..0..0..1....0..0..2....0..2..4....0..0..0....0..0..3....0..4..4....0..0..0
%e ..0..1..7....7..7..7....3..4..4....2..5..6....1..2..3....4..4..7....4..4..4
%e ..0..5..7....6..6..7....3..5..4....3..7..7....1..4..3....3..4..7....3..6..6
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 20 2011