| 数据
|
1, 7, 22, 47, 90, 211, 547, 1364, 3190, 7411, 17630, 42520, 101976, 242655, 576887, 1375887, 3286861, 7846310, 18711439, 44618322, 106438197, 253962851, 605897990, 1445349638, 3447805485, 8224998562, 19621841396, 46809917238, 111668032901
|
| 例子
|
n=4的一些解
..0..0..1..1..1..1....1..1..0..0..0..0....1..2..2..2..2..1....0..1..2..2..2..1
..0..1..2..2..2..2....2..2..1..0..0..0....1..2..3..3..2..1....0..1..2..3..2..1
..0..1..2..3..3..2....2..2..1..0..0..0....1..2..2..2..2..1....0..1..2..3..2..1
..0..1..2..2..2..2....1..1..0..0..0..0....0..1..1..1..1..0....0..1..2..2..2..1
|