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0, 0, 0, 0, 1, 0, 1, 1, 3, 1, 4, 3, 7, 4, 9, 7, 14, 9, 17, 14, 24, 17, 29, 24, 38, 29, 45, 38, 57, 45, 66, 57, 81, 66, 93, 81, 111, 93, 126, 111, 148, 126, 166, 148, 192, 166, 214, 192, 244, 214, 270, 244, 305, 270, 335, 305, 375, 335, 410, 375, 455, 410, 495, 455, 546, 495
(列表;图表;参考文献;听;历史;文本;内部格式)
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