A188414 Number of (7*n)X7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.

652, 282349, 57967660, 6720357785, 498407294632, 25784105550034, 990154499577167

Offset: 1

Author

R. H. Hardin Mar 30 2011

Keywords

• nonn

Comments

Column 7 of A188416

Examples

			Some solutions for 14X7
..1..0..0..0..0..1..1....1..0..0..0..0..1..0....1..0..0..1..0..0..1
..1..0..0..0..0..0..0....1..0..0..0..0..0..0....1..0..0..0..0..0..1
..0..1..0..1..0..0..0....0..1..0..1..1..0..0....0..1..0..1..1..0..0
..0..1..0..0..0..1..0....0..1..0..0..0..0..1....0..1..0..0..0..0..0
..0..0..1..0..0..0..0....0..0..1..1..0..0..0....0..0..1..0..1..0..0
..0..0..1..0..0..0..0....0..0..1..0..0..0..1....0..0..1..0..0..1..0
..0..0..0..1..1..0..0....0..0..0..0..1..0..0....0..0..0..0..0..1..0
..0..0..0..0..1..0..0....0..0..0..0..0..1..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0