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3, 6, 13, 29, 65, 146, 328, 737, 1657, 3726, 8379, 18843, 42375, 95295, 214305, 481942, 1083821, 2437364, 5481296, 12326680, 27721007, 62340730, 140195723, 315280889, 709023335, 1594495915, 3585801902, 8063975053, 18134770251, 40782602860, 91714461944
(列表;图表;参考文献;听;历史;文本;内部格式)
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