| 数据
|
81, 268, 928, 2784, 9628, 28912, 100008, 300256, 1038560, 3118208, 10785696, 32383104, 112011072, 336303872, 1163253760, 3492571136, 12080581376, 36270926848, 125458829824, 376679553024, 1302910621696, 3911879237632
|
| 例子
|
n=5的一些解
..2..1....1..2....0..2....1..0....0..2....2..1....2..0....1..0....2..1....2..1
..0..0....0..0....1..0....2..1....0..0....2..2....0..1....1..0....1..0....0..0
..1..0....1..0....0..1....1..1....1..0....0..1....0..0....2..1....1..1....1..0
..2..2....2..2....2..2....1..1....1..2....0..1....2..2....1..2....1..1....2..2
..1..1....1..2....1..1....2..2....1..1....1..2....1..2....0..1....0..0....1..2
..0..2....1..0....1..1....0..0....0..2....2..1....2..0....0..1....0..2....0..0
|