A208162 Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 0 vertically

19, 361, 1799, 9039, 55576, 297702, 1493661, 7719181, 39409874, 196757286, 981006372, 4882898447, 24159299179, 119208331512, 587545141168, 2890792469683, 14204090068621, 69742665957409, 342219461884514

Offset

1,1

Comments

Column 6 of A208164

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..1..1..0..0..1..1....1..1..1..1..1..1....1..1..1..0..0..1....0..1..1..1..1..1
..0..0..1..0..0..1....1..0..0..1..0..0....1..0..0..1..0..0....0..0..1..1..1..1
..0..1..1..0..0..1....0..0..1..1..0..0....0..1..1..1..0..0....0..1..1..1..1..1
..0..1..1..0..0..1....0..0..1..1..0..0....1..1..1..1..0..0....0..1..1..1..1..1

Crossrefs

Sequence in context: A207788 A207303 A207916 * A207958 A208042 A208031

Adjacent sequences: A208159 A208160 A208161 * A208163 A208164 A208165

Keyword

nonn

Author

R. H. Hardin Feb 24 2012

Status

approved