A223021 Number of nX5 0..2 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

243, 309, 8355, 13997, 878487, 2091169, 212538795, 603347801, 81616381827, 259502975877, 42646766734635

Offset

1,1

Comments

Column 5 of A223022

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A018871 A343483 A362584 * A046318 A046375 A226064

Adjacent sequences: A223018 A223019 A223020 * A223022 A223023 A223024

Keyword

nonn

Author

R. H. Hardin Mar 11 2013

Status

approved