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1, 4, 11, 32, 94, 272, 786, 2272, 6564, 18962, 54780, 158254, 457174, 1320712, 3815354, 11022024, 31841080, 91984410, 265730044, 767656774, 2217652596, 6406486864, 18507440702, 53465396640, 154454021166, 446195972602, 1288997492332, 3723732703246
(列表;图表;参考;听;历史;文本;内部格式)
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