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A233056
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Number of (1+1)X(n+1) 0..3 arrays x(i,j) with row sums sum{j*x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..1+1} nondecreasing
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1
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84, 517, 2504, 10259, 36681, 117336, 342631, 926325, 2343595, 5598526, 12716726, 27621995, 57655180, 116108839, 226372400, 428556841, 789816850, 1420177257, 2496385282, 4297171239, 7254711157, 12028735960, 19611652708, 31476118410
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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=5
..2..2..3..3..1..2....2..0..0..1..3..1....0..0..0..1..1..1....1..3..3..1..1..0
..0..0..1..2..3..3....0..1..1..2..2..3....0..0..1..1..1..2....0..0..1..2..2..3
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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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