A188762 Number of nX8 binary arrays without the pattern 0 0 1 vertically or horizontally.

88, 7744, 337209, 13128024, 454436200, 15104206828, 486675087796, 15452387615952, 485691897312770, 15180400491179444, 472703941058052104, 14686500873806680089, 455626112297181852684, 14121996559127763001844

Offset

1,1

Comments

Column 8 of A188763

Links

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

Example

Some solutions for 3X8
..0..1..1..0..1..0..1..1....0..1..1..1..1..1..0..0....0..1..1..0..1..0..0..0
..1..0..1..1..1..1..1..0....1..1..0..1..0..0..0..0....1..0..1..1..0..1..0..1
..0..1..1..1..1..0..0..0....0..1..0..1..0..1..0..0....1..0..0..0..0..0..0..0

Crossrefs

Sequence in context: A188522 A189263 A189701 * A188991 A189201 A052069

Adjacent sequences: A188759 A188760 A188761 * A188763 A188764 A188765

Keyword

nonn

Author

R. H. Hardin, Apr 09 2011

Status

approved