A223746 Number of nX6 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.
43, 43, 1849, 1849, 162583, 169219, 22836827, 28688507, 6482059897
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..2..1..1..2..0....2..0..2..2..0..2....2..0..0..0..0..2....2..1..2..2..1..2 ..0..1..0..0..1..0....2..0..1..1..0..2....1..2..2..0..1..2....1..0..0..0..0..1 ..0..2..1..1..2..0....2..0..2..2..0..2....2..0..0..0..0..2....2..1..2..2..1..2
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