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
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments