|
0, 1, 4, 14, 58, 292, 1754, 12280, 98242, 884180, 8841802, 97259824, 1167117890, 15172532572, 212415456010, 3186231840152, 50979709442434, 866655060521380, 15599791089384842, 296396030698312000, 5927920613966240002, 124486332893291040044
(列表;图表;参考;听;历史;文本;内部格式)
|
|