A189776 Number of nX6 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally

52, 2704, 140608, 4461435, 136521398, 3848548036, 112831587094, 3292640179737, 97500493294819, 2875530570969513, 84985322553211150, 2506681235723278913, 73977340086823664092, 2182270990001902317787, 64391876501073035366505

Offset

1,1

Comments

Column 6 of A189779

Links

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

Example

Some solutions for 5X6
..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..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....0..1..0..0..0..0....0..1..0..1..0..0....0..0..1..0..0..0
..0..0..1..1..0..0....0..1..1..0..0..0....1..0..1..1..0..0....0..1..0..0..0..0
..0..0..0..1..0..0....1..1..1..1..0..1....1..1..1..1..0..0....1..1..1..1..1..1

Crossrefs

Sequence in context: A189908 A189902 A189340 * A189158 A042301 A156854

Adjacent sequences: A189773 A189774 A189775 * A189777 A189778 A189779

Keyword

nonn

Author

R. H. Hardin Apr 27 2011

Status

approved