|
1, 2, 6, 24, 60, 160, 455, 1379, 3849, 10811, 30690, 88447, 250980, 712381, 2025309, 5778250, 16437468, 46754562, 133015365, 378725526, 1077736517, 3066752734, 8726710102, 24836946216, 70681078421, 201141628889, 572399433419, 1628968619409, 4635735508041, 13192378795433
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|