| 数据
|
8, 22, 60, 261, 1136, 5555, 27902, 142396, 715457, 3574752, 17784402, 88554024, 441286737, 2201585637, 10988353869, 54853491986, 273813203273, 1366709410340, 6821393389228, 34045549043276, 169920411349023, 848072514117158
|
| 例子
|
n=5的一些解
..0..1..1..1..1. .0..0..0..0..0. .0..0..0..1..0. .0..0..1..0..0
..0..0..1..0..1. .0..1..0..0..0. .0..0..0..0..0. .1..1..0..0..1
..0..0..0..1..1. .0..1..1..0..0. .1..0..0..0..1. .0..1..0..0..0
..1..1..0..0..1. .1..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..1..0..0..0. .0..0..0..0..0. .0..1..0..0..0. .0..0..1..0..0
|