A189701 Number of 8Xn binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally.

88, 7744, 295720, 10867960, 437257670, 17872674996, 733660344149, 30140493826752, 1239562062347534, 50994136275721816, 2098158626051989039, 86335489832805005659, 3552764734604163177272, 146202547786505491839949

Offset: 1

Author

R. H. Hardin Apr 25 2011

Keywords

• nonn

Comments

Row 8 of A189696

Examples

			Some solutions for 8X3
..0..1..1....0..0..1....0..1..1....0..1..1....0..0..0....0..1..0....0..0..0
..1..1..0....1..1..1....1..1..0....1..1..1....1..1..1....1..1..1....1..1..1
..0..1..1....1..0..0....1..1..1....0..1..0....0..0..1....0..0..1....0..1..0
..1..1..0....0..1..1....1..1..0....1..0..1....1..1..1....1..1..0....1..1..1
..1..1..1....1..1..0....1..1..1....0..1..0....1..0..1....1..1..1....0..1..1
..1..0..1....1..1..1....0..0..1....1..1..1....1..0..1....1..1..1....1..1..1
..1..1..0....1..0..1....1..1..0....1..1..1....1..0..0....1..0..0....1..1..0
..1..0..1....0..1..0....1..1..0....1..0..0....1..0..1....0..1..1....0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200