A188850 Number of nX8 binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.

88, 7744, 209116, 5541360, 122025944, 2684919693, 57064872614, 1214926248918, 25687054061052, 543463513057139, 11481406014762851, 242607898257328469, 5124847724579317685, 108262802675591978034, 2286909485329724341706

Offset

1,1

Comments

Column 8 of A188851

Links

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

Example

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

Crossrefs

Sequence in context: A281985 A188613 A188606 * A188857 A188522 A189263

Adjacent sequences: A188847 A188848 A188849 * A188851 A188852 A188853

Keyword

nonn

Author

R. H. Hardin, Apr 12 2011

Status

approved