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1, 2, 3, 6, 10, 15, 24, 35, 50, 71, 99, 134, 184, 246, 321, 424, 547, 699, 891, 1123, 1400, 1751, 2158, 2648, 3239, 3938, 4751, 5732, 6857, 8174, 9721, 11501, 13535, 15924, 18622, 21728, 25278, 29320, 33873, 39102, 44939, 51542, 58995, 67348, 76654, 87161
(列表;图表;参考;听;历史;文本;内部格式)
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