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A206699
Number of nX7 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column
1
1791, 3207681, 4428597297, 6043775871265, 8149739471342829, 10977508218092030949, 14777630573426014735558, 19891697466939518338949937, 26774752595905814904083950218, 36039345751281018973667189182614
OFFSET
1,1
COMMENTS
Column 7 of A206700
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1..1..0..1....2..0..1..0..0..2..1....2..0..0..0..2..0..0
..0..1..0..0..0..0..0....1..2..0..0..1..0..2....1..1..1..0..1..0..2
..0..0..2..2..2..2..1....2..1..2..1..0..2..2....1..0..1..1..0..0..2
..0..2..0..1..0..2..1....0..0..2..1..0..1..0....0..0..0..0..1..1..0
CROSSREFS
Sequence in context: A207555 A207549 A207316 * A249191 A234203 A220058
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 11 2012
STATUS
approved