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A233114
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Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing
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1
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29, 123, 464, 1636, 5523, 18027, 57505, 180104, 557624, 1710232, 5214096, 15814973, 47828131, 144246386, 434433284, 1306430965, 3926428842, 11790818795, 35400533788, 106233224821, 318796252622, 956379509076, 2869363937351
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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
..0..1....0..1....1..1....1..0....1..1....0..1....2..0....1..0....0..1....1..0
..0..1....1..0....0..2....1..0....1..1....0..2....2..0....0..1....2..0....1..0
..0..2....0..1....1..1....0..2....1..1....0..2....2..0....0..2....1..2....0..2
..1..1....0..1....0..2....1..2....1..1....0..2....1..1....0..2....2..1....1..2
..2..0....1..2....1..1....1..2....1..2....2..0....0..2....2..0....1..2....2..1
..1..2....1..2....2..1....2..2....1..2....2..1....0..2....0..2....1..2....2..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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