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A203867
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Number of (n+1)X6 0..4 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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280509, 10500903, 269967062, 4868641840, 66135356129, 721851243868, 6583402402582, 51842308069669, 360087670399010, 2246509788513939, 12752564863065714, 66609985398909168, 322906800607902925
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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
..1..2..0..1..3..2....2..3..1..1..4..4....1..3..4..4..4..4....3..3..4..3..3..3
..1..2..4..3..3..4....3..2..4..4..4..4....1..4..4..4..4..4....3..4..3..4..4..4
..0..3..3..4..4..4....3..4..4..4..4..4....1..4..4..4..4..4....4..3..4..4..4..4
..2..2..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4
..3..3..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4
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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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