A188693 Number of nX7 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally

65, 4225, 69852, 708519, 9908740, 196218615, 3647921173, 58576420100, 923989193674, 15401563228402, 262861087544592, 4415950575544932, 73179716713561551, 1215743329351151607, 20324632650740759847

Offset

1,1

Comments

Column 7 of A188695

Links

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

Example

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

Crossrefs

Sequence in context: A211960 A293695 A133853 * A206876 A188506 A206882

Adjacent sequences: A188690 A188691 A188692 * A188694 A188695 A188696

Keyword

nonn

Author

R. H. Hardin Apr 08 2011

Status

approved