A189908 Number of 6Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.
52, 2704, 140608, 3810503, 101895401, 2719427244, 73093919926, 1951128590287, 51589584277346, 1358147318157857, 35658646898466208, 933963332609935010, 24435853969347309728, 638718834034880161561, 16686274811151524544035
Offset: 1
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..104
Comments