| 数据
|
20, 103, 1350, 22220, 327880, 4678100, 68081570, 1012894742, 15245829657, 230937539015, 3515809056902, 53766069905706, 825394005427540, 12711935460761503, 196311914160978767, 3038824326513268799
|
| 例子
|
n=3的一些解
.-6...-6...-5....7....1...-2...-3....7...-6....7....3....6....1....7...-2....5
.-6...-5....2...-2....4....8....2....3...-1....2...-5...-3....4...-1....8....2
.-1....2....1...-1...-5...-6...-5...-4....6...-3....7....8...-5....6...-6...-1
..1....7...-3....2...-6....1....4...-5...-5...-4....5....5...-8....5...-3....3
|