| 数据
|
4, 84, 1080, 12260, 143510, 1705124, 20174774, 238288768, 2816078514, 33286887866, 393430889634, 4650009454296, 54959608405434, 649582808767618, 7677588567818968, 90743395882037312, 1072519744806185004
|
| 例子
|
n=5的一些解
..3..3…..0..3…..1..1…..3..2…..1..3…..0..3…..0..0…..1..3…..3..0…..0..0…..0..0
..1..1....3..3....0..1....3..1....2..3....1..3....3..0....3..3....3..3....1..2
..0..3....2..1....1..1....1..2....1..3....1..1....3..1....3..2....0..3....0..3
..1..3....1..2....3..2....0..2....2..2....0..2....2..0....2..2....2..1....3..3
..1..2....1..2....3..0....0..0....1..1....3..3....2..2....2..0....2..2....1..0
|