A222781 Number of (n+3)X5 0..1 arrays with every row and column least squares fitting to a positive slope straight line

36, 432, 19488, 213840, 5246948, 56568960, 1048393824, 11290600368, 183877431364, 1992236864400, 29955661023796, 327235660577280, 4677959911353760, 51615715978476384, 712330150687511352

Offset

1,1

Comments

Column 2 of A222784

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A183353 A178690 A370225 * A281403 A256149 A244498

Adjacent sequences: A222778 A222779 A222780 * A222782 A222783 A222784

Keyword

nonn

Author

R. H. Hardin Mar 05 2013

Status

approved