| 数据
|
12712, 81864, 754704, 6705048, 59081744, 519841120, 4654724592, 41664657416, 370163231264, 3293397673768, 29454711836216, 262833979249240, 2340418899019728, 20866728142257848, 186303761325591116
|
| 例子
|
n=4的一些解
..3..2..2..2....1..3..1..0....1..0..1..3....2..0..0..1....3..3..0..1
..3..1..2..2....3..3..2..1....3..3..2..0....3..0..2..0....0..0..3..2
..3..3..0..1....1..0..3..3....0..0..3..3....3..3..0..0....0..0..0..3
..3..3..3..2....2..1..3..2....0..0..1..3....3..3..0..0....3..0..0..1
..2..2..0..3....3..1..1..0....2..3..2..0....2..2..2..1....2..3..3..2
|