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A204335
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Number of (n+1)X5 0..7 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively
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1
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3478214, 618981328, 68380482851, 4891607353910, 250869977097844, 9654523816277542, 294839891112676990, 7351958944496756892, 154467992530752816413, 2788713964455710661184, 44108112235516161691582
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..5..3..5..6..6....2..7..2..7..5....5..4..3..5..4....4..4..5..4..6
..1..7..6..6..6....7..2..7..5..7....3..6..7..6..7....2..6..5..6..6
..2..6..7..7..7....2..7..5..7..6....2..7..6..7..6....2..6..7..6..7
..6..6..7..7..7....4..5..7..6..7....4..6..7..6..7....1..7..6..7..6
..5..7..7..7..7....2..7..6..7..6....3..7..6..7..6....5..6..7..6..7
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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