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3, 7, 44, 375, 3724, 40572, 470448, 5705271, 71571500, 921922716, 12130541488, 162422308412, 2206718599344, 30354522550000, 422005129502400, 5921371233163575, 83761043464536300, 1193351781764231100, 17110404580326750000, 246734315435589111900
(列表;图表;参考;听;历史;文本;内部格式)
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