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A207784
Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically
1
25, 625, 2815, 12567, 46199, 185613, 786907, 3121285, 12547290, 51431686, 207462822, 837211531, 3399092159, 13752531706, 55605190507, 225211225477, 911554639912, 3688266309172, 14929725196351, 60428546476595
OFFSET
1,1
COMMENTS
Column 7 of A207785
LINKS
EXAMPLE
Some solutions for n=4
..1..1..0..1..0..1..0....1..1..0..0..1..0..1....0..1..0..1..0..1..0
..1..1..1..1..0..0..1....0..1..0..1..0..1..0....1..1..0..1..0..1..0
..1..0..1..0..1..0..0....0..0..1..0..0..1..0....1..1..1..1..1..1..1
..1..0..1..0..0..1..0....1..0..1..0..1..0..1....1..1..0..0..1..0..0
CROSSREFS
Sequence in context: A207727 A207912 A208424 * A207597 A207023 A208116
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 20 2012
STATUS
approved