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0, 0, 0, 1, 3, 7, 16, 38, 94, 239, 617, 1605, 4190, 10956, 28668, 75037, 196431, 514243, 1346284, 3524594, 9227482, 24157835, 63246005, 165580161, 433494458, 1134903192, 2971215096, 7778742073, 20365011099, 53316291199, 139583862472, 365435296190, 956722026070
(列表;图表;参考;听;历史;文本;内部格式)
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