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

1,1

Comments

Column 3 of A222847

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A223197 A089156 A210829 * A187403 A265638 A307943

Adjacent sequences: A222842 A222843 A222844 * A222846 A222847 A222848

Keyword

nonn

Author

R. H. Hardin Mar 07 2013

Status

approved