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2, 6, 16, 39, 92, 211, 476, 1059, 2332, 5091, 11036, 23779, 50972, 108771, 231196, 489699, 1034012, 2177251, 4572956, 9582819, 20039452, 41826531, 87148316, 181287139, 376555292, 781072611, 1618069276, 3347986659, 6919669532, 14286731491, 29468247836, 60726065379, 125031270172, 257220819171, 528758195996
(列表;图表;参考;听;历史;文本;内部格式)
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