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A189908
Number of 6Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally
1
52, 2704, 140608, 3810503, 101895401, 2719427244, 73093919926, 1951128590287, 51589584277346, 1358147318157857, 35658646898466208, 933963332609935010, 24435853969347309728, 638718834034880161561, 16686274811151524544035
OFFSET
1,1
COMMENTS
Row 6 of A189905
LINKS
EXAMPLE
Some solutions for 6X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..1..0..1..1....1..0..1..0....0..1..1..1....0..1..1..0....1..1..0..0
..0..1..1..1....1..1..0..0....1..0..1..0....0..0..0..0....0..0..0..1
..1..0..0..0....0..0..1..0....0..0..0..0....0..1..1..1....0..1..0..0
..1..0..1..1....0..0..0..1....0..0..1..0....0..1..0..0....0..1..0..0
..0..1..0..0....0..1..1..0....1..0..0..0....0..1..1..0....1..0..0..1
CROSSREFS
Sequence in context: A247628 A370188 A262272 * A189902 A189340 A189776
KEYWORD
nonn
AUTHOR
R. H. Hardin May 01 2011
STATUS
approved