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2, 3, 5, 10, 19, 41, 86, 197, 449, 1087, 2650, 6722, 17227, 45267, 120069, 323442, 877777, 2405399, 6628760, 18384040, 51204735, 143252991, 402115301, 1132464571, 3197928097, 9053803101, 25689876776, 73047889402, 208100836969, 593897902349, 1697686011406
(列表;图表;参考;听;历史;文本;内部格式)
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