A188605 Number of nX7 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

54, 2916, 45860, 721597, 8951764, 111888105, 1318303126, 15651179908, 182869043451, 2144672066828, 25036785947669, 292716527971307, 3417501720587342, 39921719161278443, 466144062799739670

Offset

1,1

Comments

Column 7 of A188607

Links

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

Example

Some solutions for 3X7
..1..0..0..0..0..0..0....0..1..0..0..1..0..1....0..0..0..1..0..0..0
..1..0..0..1..1..1..1....0..0..1..0..0..0..0....1..0..0..0..0..1..0
..1..0..0..0..1..0..0....0..1..0..1..0..0..1....0..0..0..0..0..1..1

Crossrefs

Sequence in context: A174445 A206940 A188612 * A188849 A188856 A207004

Adjacent sequences: A188602 A188603 A188604 * A188606 A188607 A188608

Keyword

nonn

Author

R. H. Hardin Apr 05 2011

Status

approved