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1, 3, 9, 33, 145, 713, 3745, 20513, 115713, 667329, 3916033, 23305857, 140327681, 853262465, 5231925761, 32313686529, 200843829249, 1255308123137, 7884792852481, 49745076576257, 315091155558401, 2003009460686849, 12774610185633793
(列表;图表;参考文献;听;历史;文本;内部格式)
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