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A232780
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Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing
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1
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29, 110, 338, 898, 2139, 4667, 9450, 18046, 32763, 57062, 95885, 155991, 246809, 380608, 573789, 847563, 1229220, 1753394, 2463291, 3412633, 4667474, 6308592, 8433051, 11157362, 14622029, 18993121, 24467077, 31273565, 39680313, 50001421
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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=6
..0..0....1..0....0..0....0..0....0..0....0..1....1..0....1..0....0..0....0..0
..0..0....0..1....0..1....1..0....0..0....0..1....1..0....2..0....2..0....0..0
..1..0....2..1....0..1....0..1....0..0....0..1....1..0....2..0....0..1....0..0
..1..1....2..1....2..1....0..1....0..0....0..2....1..1....2..0....2..1....0..0
..0..2....0..2....1..2....0..1....1..0....0..2....2..1....2..1....2..1....2..0
..0..2....2..2....1..2....2..1....0..2....1..2....1..2....0..2....0..2....0..1
..1..2....2..2....1..2....2..2....1..2....1..2....1..2....0..2....1..2....0..2
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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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