A222861 Number of nX7 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.

74, 957, 70818, 1672630, 123774620, 4591340316, 391515458264, 17450875607453, 1511308709957178, 79588923349819304, 6846350333965041900

Offset: 1

Author

R. H. Hardin Mar 07 2013

Keywords

• nonn

Comments

Column 7 of A222862

Examples

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