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A223021
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Number of nX5 0..2 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope
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0
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243, 309, 8355, 13997, 878487, 2091169, 212538795, 603347801, 81616381827, 259502975877, 42646766734635
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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..1..1..0....0..0..2..0..1....0..2..0..0..1....0..2..0..0..2
..1..2..0..1..1....0..0..1..2..0....0..1..0..1..0....1..2..1..2..2
..2..1..2..2..1....0..0..2..0..1....0..2..0..0..1....0..2..0..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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