A188996 Number of 6Xn binary arrays without the pattern 0 0 1 antidiagonally or horizontally.

64, 4096, 65937, 791388, 10682432, 144733702, 2002277608, 27666931400, 382098589022, 5264045247468, 72392021630118, 994188984540808, 13640089458998386, 187018228491220194, 2563022096264207004

Offset

1,1

Comments

Row 6 of A188992

Links

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

Example

Some solutions for 6X3
..0..1..1....1..1..1....1..0..0....1..0..0....0..1..1....0..1..0....1..0..1
..1..0..0....1..1..1....1..1..1....1..1..1....0..1..1....1..0..0....1..0..0
..1..1..1....0..1..0....0..1..1....0..1..1....0..1..0....0..1..1....1..0..1
..1..1..0....0..0..0....1..0..1....1..0..1....1..0..0....0..1..1....0..1..1
..1..0..0....0..1..0....0..0..0....1..1..1....0..1..0....1..1..0....0..1..0
..0..0..0....0..1..0....0..1..0....1..1..1....0..1..0....1..0..1....0..1..1

Crossrefs

Sequence in context: A189621 A189693 A188744 * A223684 A189068 A189193

Adjacent sequences: A188993 A188994 A188995 * A188997 A188998 A188999

Keyword

nonn

Author

R. H. Hardin, Apr 15 2011

Status

approved