|
1, 5, 18, 132, 876, 8820, 85392, 1106496, 14057280, 223560000, 3513456000, 66305952000, 1241430624000, 27127003680000, 589395356928000, 14638710417408000, 362021985626112000, 10073602372700160000, 279369787588448256000, 8609476463579013120000, 264609942011693752320000
(列表;图表;参考;听;历史;文本;内部格式)
|
|