| 数据
|
48, 173, 650, 2495, 9667, 37604, 146521, 571315, 2228340, 8692454, 33909901, 132287996, 516081723, 2013345287, 7854504270, 30642176351, 119542013302, 466360306590, 1819376645854, 7097798434855, 27690112004115, 108025370530911
|
| 例子
|
n=6的一些解
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....1....1....1....1....1....1....1....0....1....1....1....0....1....1....1
..1....2....2....0....1....1....1....2....1....2....0....2....1....2....2....1
..2....0....1....2....2....0....2....0....2....1....1....2....2....3....1....2
..0....3....2....2....2....1....2....0....1....0....2....2....3....0....3....3
..1....1....0....0....2....2....1....3....0....2....2....2....1....1....0....1
..0....2....3....3....3....3....1....1....1....2....1....0....1....2....0....3
..0....0....3....1....2....0....1....0....3....0....0....2....0....1....3....2
..3....1....1....0....2....3....3....1....1....1....2....0....2....2....3....1
..2....1....3....1....3....0....2....0....3....2....0....0....0....3....2....2
|