|
1, 1, 2, 5, 15, 42, 141, 454, 1636, 5654, 21372, 77839, 304105, 1149623, 4605049, 17911778, 73142360, 290931536, 1206443012, 4886121626, 20518294930, 84344339293, 357919513388, 1489741008146, 6378159512931, 26830071268609, 115748486759273, 491362556375669, 2133872051606574
(列表;图表;参考;听;历史;文本;内部格式)
|
|