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0, 0, 3, 102, 900, 5160, 23520, 92736, 330624, 1094400, 3421440, 10222080, 29432832, 82188288, 223641600, 595230720, 1554186240, 3990749184, 10097197056, 25214976000, 62234296320, 151993712640, 367691563008, 881823055872, 2098200576000, 4956409036800
(列表;图表;参考;听;历史;文本;内部格式)
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