A189910 Number of 8Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.

177, 31329, 5545233, 354894796, 22333076803, 1435483321366, 94632691298302, 6207537762978575, 401408206411689570, 25850136024684855135

Offset: 1

Author

R. H. Hardin May 01 2011

Keywords

• nonn

Comments

Row 8 of A189905

Examples

			Some solutions for 8X4
..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....1..0..0..0....0..1..0..1....0..1..1..1
..0..0..0..0....1..0..0..0....0..0..0..0....0..0..1..0....0..0..0..0
..0..1..1..1....0..1..0..1....1..0..0..0....0..1..0..1....1..0..0..1
..0..0..0..0....0..0..1..0....1..1..0..0....1..0..0..1....0..1..0..0
..0..0..0..0....0..0..0..0....0..0..1..0....0..1..0..0....0..0..1..0
..0..0..0..0....1..0..0..0....1..1..0..0....0..0..1..0....1..0..0..1