A189158 Number of nX6 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally

52, 2704, 140608, 4597967, 151889331, 4708773306, 139543984265, 4101554902927, 118889716429242, 3425594682105277, 98397912139545475, 2819403207915017394, 80693441112166000473, 2307804705252673221664, 65972623009915917276895

Offset

1,1

Comments

Column 6 of A189161

Links

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

Example

Some solutions for 4X6
..0..1..1..1..1..1....0..0..1..0..0..0....0..0..0..1..0..1....0..1..1..1..1..1
..0..0..0..1..0..0....0..1..0..0..0..1....0..0..1..0..0..0....0..0..0..0..1..0
..0..1..0..1..1..1....0..1..0..0..1..0....0..0..0..0..0..1....0..0..0..1..0..0
..0..0..1..0..1..0....0..1..1..0..0..0....0..1..1..1..0..0....0..1..0..1..0..0

Crossrefs

Sequence in context: A189902 A189340 A189776 * A042301 A156854 A282590

Adjacent sequences: A189155 A189156 A189157 * A189159 A189160 A189161

Keyword

nonn

Author

R. H. Hardin Apr 17 2011

Status

approved