A189270 Number of 8Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally

256, 65536, 1581428, 25556548, 613358776, 14861981162, 379055775099, 9421503162646, 237111028617224, 5881683652328127, 146596745490804535, 3628217307431586933, 89988166151883035972, 2224377075734587644848

Offset

1,1

Comments

Row 8 of A189264

Links

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

Example

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

Crossrefs

Sequence in context: A205416 A229103 A017572 * A016748 A189623 A189695

Adjacent sequences: A189267 A189268 A189269 * A189271 A189272 A189273

Keyword

nonn

Author

R. H. Hardin Apr 19 2011

Status

approved