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A207862
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically
1
42, 1764, 14406, 117649, 1737981, 25674489, 298294290, 3465676900, 44249929850, 564985239025, 6946276116395, 85401792033481, 1066016616909398, 13306411967110084, 165079309220454794, 2047973443183647529
OFFSET
1,1
COMMENTS
Row 7 of A207858
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0....0..0..1..1....0..0..1..1....0..0..1..1....0..0..1..1
..0..0..1..1....0..1..1..0....0..1..1..1....0..0..1..1....0..1..1..1
..1..0..0..1....1..1..0..0....0..1..1..0....1..1..1..1....1..1..1..1
..1..0..0..1....1..0..0..1....1..1..0..0....1..1..1..0....1..1..1..0
..0..0..1..1....1..0..1..1....1..1..0..0....0..1..1..0....0..1..1..0
..0..1..1..1....1..0..1..1....1..0..0..1....0..1..1..1....0..1..1..1
..1..1..1..0....0..0..1..1....0..0..1..1....1..1..0..1....0..1..1..1
CROSSREFS
Sequence in context: A207523 A207258 A207953 * A207812 A208286 A208419
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 21 2012
STATUS
approved