A188613 Number of 8Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

88, 7744, 165506, 2925040, 52884231, 919272280, 15651179908, 260970703443, 4300360372354, 70130618145688, 1136591420736796, 18325387673235042, 294484831915118120, 4719745235890254821, 75508745229294132673

Offset

1,1

Comments

Row 8 of A188607

Links

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

Example

Some solutions for 8X3
..0..0..1....0..0..0....0..0..0....0..0..0....0..1..0....0..0..0....0..0..0
..1..0..0....0..1..1....0..1..0....0..0..1....0..0..0....1..0..1....1..1..1
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..1..1....0..0..0....1..0..0....0..1..1....0..1..1....0..0..0
..0..0..1....0..0..1....0..0..0....0..0..1....0..0..0....1..0..0....0..0..0
..0..1..1....0..0..1....0..0..0....0..0..0....0..0..0....0..0..1....0..1..0
..1..0..1....0..1..1....0..0..1....1..0..1....1..0..0....0..0..1....1..0..0
..0..1..1....1..1..1....0..1..1....0..0..0....0..1..0....1..1..1....1..0..1

Crossrefs

Sequence in context: A197321 A004391 A281985 * A188606 A188850 A188857

Adjacent sequences: A188610 A188611 A188612 * A188614 A188615 A188616

Keyword

nonn

Author

R. H. Hardin Apr 05 2011

Status

approved