A189268 Number of 6 X n binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

64, 4096, 50397, 481552, 5746968, 68635317, 830564651, 9918543104, 118359133086, 1403545047813, 16623051784264, 196302833267970, 2316321573987569, 27295062115112489, 321503206233291862, 3784551169051600902

Offset

1,1

Comments

Row 6 of A189264.

Links

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

Example

Some solutions for 6 X 3:
..1..0..0....1..0..1....1..1..1....0..1..1....1..1..1....1..1..0....1..1..1
..0..1..1....0..1..1....1..0..0....1..1..1....1..1..1....1..1..0....1..0..1
..0..1..1....1..1..1....0..1..1....0..0..0....1..0..0....0..1..1....0..1..0
..1..1..1....1..0..1....1..1..0....1..1..0....1..1..1....1..1..0....1..1..1
..1..1..0....1..1..1....1..0..1....0..0..0....1..0..0....1..1..0....0..1..1
..1..0..0....0..1..1....0..1..0....0..0..0....1..0..0....1..1..0....0..1..1

Crossrefs

Cf. A189264.

Sequence in context: A107627 A017571 A016746 * A223673 A189621 A189693

Adjacent sequences: A189265 A189266 A189267 * A189269 A189270 A189271

Keyword

nonn

Author

R. H. Hardin, Apr 19 2011

Status

approved