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

Author

R. H. Hardin Mar 07 2013

Keywords

• nonn

Comments

Column 5 of A222862

Examples

			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
		

Links

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