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A222780
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Number of (n+3)X4 0..1 arrays with every row and column least squares fitting to a positive slope straight line
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0
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6, 36, 696, 3960, 44092, 245952, 2148348, 11909916, 92914316, 516123540, 3754783282, 20944422720, 145858066580, 819115053456, 5532833258412, 31237280045460, 206640812099598, 1173206191661712
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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=2
..0..0..1..0....0..0..0..1....0..0..1..0....0..0..1..0....0..0..0..1
..0..0..0..1....0..0..1..0....0..0..0..1....0..1..0..1....0..0..1..0
..0..0..1..1....0..1..1..1....0..1..1..1....1..0..1..1....0..1..1..1
..0..1..1..1....0..1..0..1....0..1..1..1....1..0..1..1....0..1..1..1
..1..0..1..1....1..0..1..1....1..0..1..1....0..1..1..1....1..0..1..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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