|
2, 10, 46, 208, 938, 4230, 19078, 86048, 388106, 1750490, 7895302, 35610480, 160615298, 724429270, 3267420814, 14737172032, 66469626002, 299800475370, 1352201455582, 6098885514512, 27508034668634, 124070532153830, 559600027205398, 2523985228499040
(列表;图表;参考;听;历史;文本;内部格式)
|
|