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0, 0, 1, 6, 26, 102, 386, 1441, 5353, 19854, 73612, 272940, 1012137, 3753696, 13922343, 51640040, 191546040, 710504359, 2635506573, 9776051185, 36263011505, 134513166002, 498960289449, 1850833274594, 6865444733208, 25466548032582
(列表;图表;参考文献;听;历史;文本;内部格式)
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