|
1, 2, -1, 0, 1, 5, 28, 182, 1350, 11274, 104856, 1076064, 12086760, 147561000, 1946180160, 27582811920, 418131670320, 6751768862160, 115707685968000, 2097617321963520, 40108223054148480, 806736096940072320, 17028466642305216000, 376369075678811040000
(列表;图表;参考;听;历史;文本;内部格式)
|
|