A188998 Number of 8Xn binary arrays without the pattern 0 0 1 antidiagonally or horizontally

256, 65536, 2425505, 57879084, 1674569728, 49183191266, 1515192856324, 46897992282392, 1461666524746364, 45443241595028928, 1412211604691218248, 43816337041720627846, 1358466333470220924356, 42087317801780944311384

Offset

1,1

Comments

Row 8 of A188992

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

Crossrefs

Sequence in context: A189623 A189695 A188746 * A189116 A189070 A189195

Adjacent sequences: A188995 A188996 A188997 * A188999 A189000 A189001

Keyword

nonn

Author

R. H. Hardin Apr 15 2011

Status

approved