| 数据
|
3, 8, 26, 81, 261, 936, 3435, 12406, 45637, 165303, 579197, 2056418, 7724487, 30188921, 117283664, 443965914, 1645885655, 6011641972, 21768376301, 79175516820, 293501032240, 1120198277690, 4414668160947, 17781778665225
|
| 例子
|
n=4的一些解
..4....4....1....6....4....6....4....4....6....1....6....6....4....1....6....6
..6....2....3....3....5....2....2....6....4....5....2....3....5....5....2....3
..4....6....6....6....1....1....6....5....2....3....1....5....1....2....6....5
..1....3....5....5....2....6....2....6....6....5....5....4....4....1....1....1
|