A222957 Number of nX5 0..1 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.

8, 8, 64, 64, 512, 512, 8000, 5832, 140608, 110592, 3511808, 2628072, 105154048, 78402752, 3511808000, 2697228288, 128329125184, 100674415808, 5010745148928, 4007556327104, 205462555328512, 167502838946624, 8774957874376000

Offset: 1

Author

R. H. Hardin Mar 10 2013

Keywords

• nonn

Comments

Column 5 of A222959

Examples

			Some solutions for n=4
..0..1..1..1..0....1..1..1..1..1....0..0..1..0..0....0..0..0..0..0
..0..1..0..1..0....0..1..0..1..0....1..1..1..1..1....0..1..0..1..0
..0..1..0..1..0....0..1..0..1..0....1..1..1..1..1....0..1..0..1..0
..0..1..1..1..0....1..1..1..1..1....0..0..1..0..0....0..0..0..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..53