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0, 0, 0, 0, 0, 1, 6, 21, 56, 126, 252, 504, 924, 1584, 2574, 4004, 6006, 9009, 13104, 18564, 25704, 34884, 46512, 62016, 81396, 105336, 134596, 170016, 212520, 265650, 328900, 403650, 491400, 593775, 712531, 855037, 1019467, 1208257, 1424017
(列表;图表;参考文献;听;历史;文本;内部格式)
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