A222855 Number of n X 1 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.

2, 3, 6, 10, 20, 36, 74, 137, 282, 536, 1100, 2117, 4332, 8406, 17144, 33464, 68058, 133398, 270700, 532230, 1078080, 2124714, 4297434, 8485470, 17141764, 33898436, 68409684, 135450295, 273114928, 541320762, 1090693986, 2163654766, 4356757738

Offset: 1

Author

R. H. Hardin, Mar 07 2013

Keywords

• nonn

Comments

Column 1 of A222862.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A222862.