| 数据
|
70726, 111707, 34964, 33788, 35990, 47369, 66580, 159783, 520508, 1817618, 6795292, 25689877, 97112294, 368075253, 1395441180, 5289843312, 20055181002, 76035026065, 288268814608, 1092909806027, 4143536006620, 15709332277494
|
| 例子
|
n=3的一些解
..0..1..1..0..0..1..1..2..3....0..1..0..0..2..0..0..2..3
..0..1..1.0.0..1..1...2...3…0..1..0...0...2...0...0...2...0...2...3
..0..1..1..0..0..1..1..2..3....0..1..0..0..2..0..0..2..3
..0..1..1..0..0..1..1..2..3....0..1..0..0..2..0..0..2..3
..1..1..1.0...0..1..1...2...3…0..1..0...2...0...0...2...0...2...3
|