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1, 1, 3, 9, 33, 127, 479, 1987, 8153, 34531, 149741, 647735, 2870859, 12757149, 57208157, 259286825, 1176744359, 5390834697, 24773267651, 114338291417, 530595471509, 2466705308701, 11521350667943, 53941366645455, 253217223758335, 1192447189901931, 5624336512312905, 26601547030729237
(列表;图表;参考;听;历史;文本;内部格式)
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