A188857 - OEIS

A188857

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

88, 7744, 232747, 5521489, 126202999, 2738402462, 58235424734, 1214926248918, 25100438265744, 514424354650754, 10492086978634132, 213204024180815365, 4321983823146750790, 87458958402751906622, 1767678713324762893245

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row 8 of A188851

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..1..1....1..0..0....0..0..0....0..1..0....0..1..0

..1..1..1....1..1..1....1..1..0....1..1..1....1..1..1....1..1..1....1..1..1

..1..0..1....1..1..1....0..1..1....0..0..0....0..1..1....1..1..1....1..1..1

..0..1..1....1..0..0....1..0..0....1..1..1....1..1..0....1..1..1....1..1..1

..1..1..1....1..1..0....0..1..1....0..1..1....0..1..1....1..1..1....1..1..1

..1..1..0....1..1..0....1..0..0....1..1..0....1..1..0....0..1..0....1..0..1

..0..1..0....0..0..0....0..1..1....1..1..0....0..1..1....0..1..1....0..1..0

..1..0..0....0..0..0....0..1..0....1..1..0....0..1..0....0..0..0....1..1..1

CROSSREFS

Sequence in context: A188613 A188606 A188850 * A188522 A189263 A189701

Adjacent sequences: A188854 A188855 A188856 * A188858 A188859 A188860

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 12 2011

STATUS

approved