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3, 17, 81, 367, 1635, 7241, 32001, 141319, 623907, 2754209, 12157905, 53667967, 236902467, 1045739033, 4616116929, 20376528343, 89946351555, 397042410929, 1752630004689, 7736483151631, 34150488876963, 150747551200361, 665431885063425, 2937358451978023
(列表;图表;参考;听;历史;文本;内部格式)
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