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A223310
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Number of 1X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope
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1
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3, 9, 36, 102, 343, 996, 3159, 9237, 28755, 84570, 260442, 769023, 2353687, 6969738, 21244302, 63039522, 191601206, 569452122, 1727158776, 5139583854, 15563717515, 46359362664, 140211940350, 417981796023, 1262920615919, 3767350662711
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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=3
..1..0..0..2....0..1..2..1....1..2..1..2....1..0..1..1....0..1..0..1
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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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