A223065 Number of nX5 0..3 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

1024, 1576, 131776, 480598, 108007936, 624501712, 236336828768, 1685343104530, 804461287441856

Offset

1,1

Comments

Column 5 of A223066

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A046313 A046314 A221260 * A298607 A366391 A195093

Adjacent sequences: A223062 A223063 A223064 * A223066 A223067 A223068

Keyword

nonn

Author

R. H. Hardin Mar 13 2013

Status

approved