A188612 Number of 7Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

54, 2916, 45705, 602049, 8077216, 104225541, 1318303126, 16339159241, 200193725076, 2428081237436, 29268187633586, 351000097296928, 4195386442491110, 50012885659703541, 595118400456555264

Offset

1,1

Comments

Row 7 of A188607

Links

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

Example

Some solutions for 7X3
..1..0..0....1..0..1....1..0..0....0..1..0....1..0..0....1..0..1....0..0..1
..0..0..1....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..1....1..0..0....0..0..0....1..1..1
..0..0..1....0..1..1....1..0..1....0..1..0....0..0..0....1..1..1....0..0..0
..0..0..1....1..0..0....0..0..1....1..0..1....1..0..0....0..0..0....0..0..1
..1..0..1....0..1..0....0..1..1....1..0..0....1..0..0....0..0..1....0..1..0
..1..1..1....1..0..1....1..1..1....1..1..1....1..0..0....1..0..0....1..0..0

Crossrefs

Sequence in context: A324953 A174445 A206940 * A188605 A188849 A188856

Adjacent sequences: A188609 A188610 A188611 * A188613 A188614 A188615

Keyword

nonn

Author

R. H. Hardin Apr 05 2011

Status

approved