|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
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
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|