| 数据
|
13, 169, 699, 2884, 13876, 58026, 228110, 919413, 3634185, 13998459, 53800957, 205790414, 779790577, 2941656860, 11064045660, 41445238814, 154764854403, 576618193508, 2143459949578, 7951565765308, 29448392492010, 108894241441660
|
| 例子
|
n=4的一些解
..0..1..0..1..0....1..0..1..0..0....1..0..0..1..0....0..0..1..0..1
..1..0..1..0..1....0..1..0..0..1....0..1..0..1..0....1..1..1..0..0
..1..1..1..0..1....0..1..0..0..1....1..1..0..1..0....1..1..0..0..1
..0..1..0..0..1....0..1..0..0..1....1..0..0..1..0....0..1..0..0..1
|