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0, 0, 0, 0, 1, 2, 6, 12, 29, 61, 138, 294, 649, 1402, 3073, 6696, 14676, 32199, 70764, 156062, 344209, 762433, 1687745, 3751845, 8333371, 18582147, 41399110, 92557961, 206765077, 463343343, 1037518525, 2329710014, 5227630580, 11759537552, 26436259384
(列表;图表;参考;听;历史;文本;内部格式)
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