A189159 Number of nX7 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally.

96, 9216, 884736, 48460966, 2710884810, 139543984265, 6787471566616, 327166323321331, 15463232072168424, 725494470365730502, 33890063050246876236, 1577540791665774040985, 73320840584238660162738

Offset: 1

Author

R. H. Hardin Apr 17 2011

Keywords

• nonn

Comments

Column 7 of A189161

Examples

			Some solutions for 4X7
..0..0..0..0..0..0..1....0..0..1..0..1..1..1....0..0..1..0..0..0..1
..0..0..0..1..0..0..0....0..0..1..0..1..0..0....0..0..1..0..1..0..0
..0..0..0..0..1..0..0....0..0..0..0..1..0..1....0..0..0..0..1..0..1
..0..0..0..1..0..0..0....0..1..1..0..1..0..0....0..0..1..0..0..0..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..145