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A207186
Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically
1
65, 4225, 151981, 6951227, 310484943, 13575513917, 600838995529, 26534076780959, 1170871871472313, 51701095335035709, 2282533143749663089, 100768156649910377157, 4448827811097756475927, 196409522544211889696463
OFFSET
1,1
COMMENTS
Row 7 of A207182
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0....1..1..1..0....0..0..1..0....1..0..0..1....0..0..1..1
..1..0..0..1....0..1..0..0....1..1..1..0....0..1..1..1....1..0..1..0
..1..1..0..1....0..0..1..0....1..1..1..0....1..1..1..1....1..1..0..1
..1..1..1..1....1..1..1..0....1..1..0..1....1..1..1..0....0..1..0..1
..0..1..1..0....1..1..1..0....1..0..1..1....0..1..0..0....0..1..0..0
..0..1..1..1....1..0..0..1....0..0..1..1....0..1..0..0....1..0..1..1
..1..0..0..1....0..1..1..1....0..0..1..1....0..1..1..1....1..1..1..1
CROSSREFS
Sequence in context: A189615 A206888 A188772 * A189062 A078988 A027535
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 15 2012
STATUS
approved