| 数据
|
491, 831, 3358, 10617, 27582, 81848, 253264, 736065, 2137558, 6366003, 18836612, 55281733, 162975870, 481592042, 1419353824, 4182760615, 12337678966, 36391723458, 107281631494, 316367367773, 932912838818, 2751181217369
|
| 例子
|
n=4的一些解
..0..0..1..0..0..0..1..0....0..1..0..1..0..0..0..1....1..0..1..0..1..0..0..0
..0..0..0..1..0..1..0..0....0..0..1..0..1..0..1..0....0..0..0..1..0..1..0..1
..1..0..1..0..1..0..1..0....0..1..0..1..0..1..0..1....1..0..1..0..1..0..1..0
..0..1..0..1..0..1..0..1....1..0..1..0..0..0..1..0....0..1..0..1..0..1..0..1
..1.0...1.0...1.0...0...0...0...0...0...1.0...1.0...1.0...0...0...1.0...0...1...0...0...1...0...0...1...0...1...0
..0..1..0..0..0..1..0..1....0..1..1..0..1..0..1..0....1..1..0..0..0..1..0..1
|