| 数据
|
48, 184, 648, 2440, 8712, 32456, 116872, 432456, 1565704, 5768392, 20957064, 76995656, 280355592, 1028180936, 3749152392, 13733970760, 50125386248, 183485530824, 670067844488, 2451649137224, 8956514967816, 32760264743368
|
| 例子
|
n=5的一些解
..3..1....1..2....2..2....0..1....1..1....3..2....2..1....1..2....3..1....1..1
..2..2....1..0....1..3....0..2....2..0....1..2....3..1....1..3....2..1....2..3
..0..1....1..2....1..2....0..1....2..1....1..0....2..2....2..2....3..1....1..1
..2..1....0..0....0..2....0..2....0..1....2..2....3..1....0..1....3..2....2..3
..0..1....1..2....0..1....1..2....2..1....0..1....2..2....2..2....3..1....2..1
..2..2....1..3....2..1....0..0....3..3....2..2....1..0....1..0....2..2....3..1
|