| 数据
|
1, 6, 4, 19, 32, 72, 164, 331, 790, 1700, 3879, 8689, 19763, 44787, 101708, 232136, 528496, 1206975, 2755982, 6298876, 14399412, 32932776, 75341117, 172383450, 394513860, 902958422, 2066919648, 4731632878, 10832452949, 24800620478
|
| 例子
|
n=5的一些解
..0..1..0. .0..1..1. .0..1..0. .0..0..0. .0..1..1. .0..1..0. .0..1..0
..0...0..1..0..1..0...0。0..0..0. .1..1..0. .1..1..0. .1..1..0. .1..1..0
..1..1..1. .0..0..0. .1..0..1. .1..0..1. .1..1..1. .0..0..0. .1..1..0
..1..0..0. .1..0..1. .0..0..0. .0..1..1. .0..1..1. .0..1..1. .0..0..0
..0..1..0. .0..0..0. .0..1..0. .0..0..0. .1..0..1. .1..0..1. .0..1..0
|