| 数据
|
6089, 6222, 10070, 22016, 68675, 180469, 503439, 1603276, 4554309, 13198911, 42321262, 123032456, 365923870, 1183764527, 3477836469, 10490088213, 34100824690, 100813753401, 306346399367, 998375745118, 2961333456864
|
| 例子
|
n=4的一些解
..3..0..2..3..3....2..3..3..2..3....0..3..2..3..1....2..3..3..2..0
..0..3..2..3..3....2..2..2..1..2....3..3..2..0..3....1..2..2..1..2
..2..2..1..2..2....2..0..3..2..3....2..2..1..2..2....2..3..0..2..3
..3..3..2..3..0....2..3..0..2..3....3..3..2..3..3....2..0..3..2..3
..0..3.2...3...3...1..2.2...1...2...3...2...0...3...1...2...2...2...2...2...1...2
..2..2..1..2..2....2..0..3..2..1....2..2..1..2..2....2..3..3..0..0
|