A222859 Number of nX5 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope

20, 123, 2460, 22620, 452400, 5631696, 123774620, 1750579287, 38886003660, 616343677120, 13645322944000, 228861094261117, 5026600983006000, 87653141405083368, 1904562716219017600, 34122352692143937360

Offset

1,1

Comments

Column 5 of A222862

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

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

Crossrefs

Sequence in context: A041770 A156255 A004634 * A263545 A227057 A263543

Adjacent sequences: A222856 A222857 A222858 * A222860 A222861 A222862

Keyword

nonn

Author

R. H. Hardin Mar 07 2013

Status

approved