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1, 4, 13, 35, 92, 230, 562, 1333, 3106, 7114, 16090, 35968, 79637, 174812, 380903, 824469, 1774122, 3797436, 8089574, 17158409, 36250415, 76309260, 160102335, 334877607, 698461293, 1452964434, 3015112497, 6242510786, 12896941964, 26591579894, 54724833014
(列表;图表;参考;听;历史;文本;内部格式)
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