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1, 17, 170, 1309, 8483, 48467, 251209, 1203311, 5397330, 22890874, 92481394, 358011602, 1334253585, 4805716553, 16782510007, 56979399970, 188517704002, 609021410570, 1924506074441, 5957712195945, 18092683604856, 53965253533463, 158264095730459, 456803437466434, 1298781701177781
(列表;图表;参考;听;历史;文本;内部格式)
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