| 数据
|
1, 31, 206, 1181, 10639, 90727, 720785, 5909241, 48847911, 400405024, 3283795151, 26976077016, 221488948284, 1818161928153, 14927447103567, 122557391321622, 1006185363901356, 8260764995494461, 67821099419523837, 556811248211302092
|
| 例子
|
n=6的一些解
..1..1..1..0. .0..0..1..1. .0..0..0..0. .0..1..1..0. .0...0..1..0
..1..1..1..1. .0..1..1..1. .0..1..1..1. .0..1..1..0. .0..1..1..1
..0..1..0..0. .0..0..1..0. .0..0..1..0. .0..1..1..0. .0..0..1..1
..0..1..1..1. .0..1..1..1. .0..0..1..1. .0..1..1..0. .0..1..1..0
..0..1..1..0. .0..1..0..1. .0..1..1..1. .0..1..1..0. .0..1..1..0
..0..1..1..0. .0..0..1..0. .0..0..0..0. .1..1..0..0. .1..1..1..1
|