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1, 12, 77, 434, 1978, 8830, 37409, 156474, 644305, 2632506, 10684360, 43166246, 173768764, 697596990, 2794438513, 11174809302, 44626341136, 178018744896, 709505830530, 2825762505810, 11247704919634, 44749537493028, 177970696795672, 707580176408854, 2812524327414647
(列表;图表;参考;听;历史;文本;内部格式)
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