A223745 Number of nX5 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

39, 39, 1521, 1521, 144495, 162583, 21793395, 30730023, 6934356117, 9808559487, 2895682234887, 4474602111861, 1576942337224917

Offset

1,1

Comments

Column 5 of A223747

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A023481 A291517 A165860 * A050774 A041759 A257442

Adjacent sequences: A223742 A223743 A223744 * A223746 A223747 A223748

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved