|
| |
|
|
A206995
|
|
Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 0 1 1 vertically
|
|
0
|
|
|
|
2, 16, 230, 6612, 382349, 45723467, 10432265840, 4567604720632, 3835202074248503, 6261201402096526687, 19792947737197868206612, 121328664454799987875557245, 1441630925698363945645049021360
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=4
..0..1..1..0....1..0..0..0....1..0..1..1....1..0..1..1....0..0..1..1
..0..1..1..1....0..1..1..0....1..0..1..1....0..0..0..1....0..1..1..1
..0..1..1..0....1..0..0..1....1..1..0..0....1..0..1..1....0..0..1..1
..1..0..1..1....0..1..1..0....0..0..1..1....0..0..0..1....0..1..1..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
