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A207316
Number of nX7 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal
1
1791, 3207681, 3908531208, 4606553380932, 5287481507599689, 6040603302358685420, 6886304943923084187412, 7846460408825171428954937, 8938860707121704653295995157, 10182853721047511421514027307629
OFFSET
1,1
COMMENTS
Column 7 of A207317
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..0..0..1..0....1..2..1..0..1..0..1....1..1..0..1..1..1..1
..2..0..0..0..2..0..2....2..1..0..1..0..1..0....1..0..0..0..1..0..1
..2..0..1..0..0..0..2....1..1..1..1..0..0..2....0..2..1..0..2..2..1
..2..1..0..0..0..2..0....1..2..1..2..0..1..0....0..2..0..0..1..0..0
CROSSREFS
Sequence in context: A153837 A207555 A207549 * A206699 A249191 A234203
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 16 2012
STATUS
approved