| 数据
|
2700, 10484, 40167, 121701, 426308, 1351487, 4771368, 16058526, 56235160, 192884364, 669557257, 2305588750, 7958763182, 27396735121, 94312947300, 324414828833, 1115586299491, 3835775446691, 13186270802164, 45332896612376
|
| 例子
|
n=4的一些解
..0..0..1..1..1..1....0..0..0..0..0..0....0..0..1..1..1..1....0..1..0..0..1..1
..0..0..0..1..0..0....1..1..1..0..0..0....0..0..1..1..1..1....0..1..0..0..0..0
..1..0..0..1..0..1....0..0..0..0..1..1....1..1..1..1..0..0....1..1..0..0..1..1
..1..0..1..1..1..1....1..1..1..0..0..0....0..0..1..1..0..1....1..0..1..0..1..0
|