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4, 5, 8, 17, 54, 247, 1448, 10089, 80650, 725771, 7257612, 79833613, 958003214, 12454041615, 174356582416, 2615348736017, 41845579776018, 711374856192019, 12804747411456020, 243290200817664021, 4865804016353280022, 102181884343418880023, 2248001455555215360024
(列表;图表;参考;听;历史;文本;内部格式)
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