A222845 Number of (n+1)X4 0..2 arrays with every row and column least squares fitting to a positive slope straight line.

16, 576, 67986, 2088576, 121707070, 3904508304, 179900642006, 5870222299368

Offset: 1

Author

R. H. Hardin Mar 07 2013

Keywords

• nonn

Comments

Column 3 of A222847

Examples

			Some solutions for n=3
..0..1..1..1....0..0..1..1....0..0..1..1....0..0..2..0....0..1..1..1
..1..0..2..2....0..2..1..1....0..0..2..2....2..0..1..2....1..1..2..1
..1..0..1..1....0..2..1..2....0..0..2..2....0..2..2..2....0..2..1..2
..1..2..2..2....1..1..2..2....1..2..2..2....1..2..2..2....1..2..2..2