A222926 Number of (n+1)X3 0..3 arrays with every row and column least squares fitting to a positive slope straight line

36, 864, 39780, 872784, 27173700, 607177560, 16686373301, 377744379360, 9905630920200, 226933478643456, 5799086239124115, 134056928557346928, 3374616113107842720, 78526802473338034368, 1957431423375160962922

Offset

1,1

Comments

Column 2 of A222929

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

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

Crossrefs

Sequence in context: A061694 A264192 A122038 * A204101 A283199 A346323

Adjacent sequences: A222923 A222924 A222925 * A222927 A222928 A222929

Keyword

nonn

Author

R. H. Hardin Mar 09 2013

Status

approved