| 数据
|
1, 6, 9, 26, 57, 133, 306, 709, 1642, 3805, 8811, 20409, 47276, 109514, 253686, 587661, 1361316, 3153496, 7305099, 16922333, 39200767, 90809027, 210360189, 487301922, 1128840861, 2614973750, 6057619008, 14032549467, 32506574899, 75301884294
|
| 例子
|
n=5的一些解
..0..1..1. .0..0..0. .0..0..0. .0..1..0. .0..0..1. .0..1..0. .0..0..0
..0..0..0. .1..1..0. .1..1..1. .0..1..0. .0..1..0. .0..1..0. .1..1..0
..1..1..0. .0..1..0. .0..0..1. .1..0..1. .1..0..1. .0..1..0. .0..1..0
..1..0..1. .0..1..1. .1..0..1. .1..0..1. .0..1..0. .1..0..1. .0..1..0
..0..1..1. .0..0..1. .1..0..0. .1..0..1. .0..1..0. .1..0..1. .0..1..1
|