A223750 Number of nX5 0..3 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope

456, 26980, 12302880, 2762855184, 1404000132960, 461069929040798, 233093248609411656, 88130853790857748605, 43735228632292024792752

Offset

1,1

Comments

Column 4 of A223751

Links

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

Example

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

Crossrefs

Sequence in context: A077578 A329756 A268162 * A048110 A282101 A037945

Adjacent sequences: A223747 A223748 A223749 * A223751 A223752 A223753

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved