A188423 Number of (8*n)Xn binary arrays with rows in nonincreasing order, 8 ones in every column and no more than 3 ones in any row.

1, 9, 625, 256901, 434626896, 2259540285524

Offset: 1

Author

R. H. Hardin Mar 30 2011

Keywords

• nonn

Comments

Row 8 of A188416

Examples

			All solutions for 16X2
..1..1....1..1....1..1....1..1....1..1....1..1....1..0....1..1....1..1
..1..1....1..1....1..1....1..1....1..0....1..1....1..0....1..1....1..1
..1..1....1..1....1..1....1..0....1..0....1..1....1..0....1..1....1..1
..1..1....1..0....1..1....1..0....1..0....1..1....1..0....1..1....1..1
..1..1....1..0....1..1....1..0....1..0....1..1....1..0....1..1....1..0
..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..1....1..0
..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..0....1..0
..1..1....1..0....1..0....1..0....1..0....1..0....1..0....1..0....1..0
..0..0....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..1....0..1
..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..0....0..1
..0..0....0..1....0..0....0..1....0..1....0..0....0..1....0..0....0..1
..0..0....0..1....0..0....0..1....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..1....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..0....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..0....0..0....0..0....0..1....0..0....0..0