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1, 1, 16, 504, 28800, 2620800, 348364800, 63707212800, 15343379251200, 4707627724800000, 1792664637603840000, 829619584788234240000, 458592296933263933440000, 298435681233688170332160000, 225843218230899155927040000000, 196652982274555440023470080000000
(列表;图表;参考;听;历史;文本;内部格式)
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