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1, 6, 29, 122, 464, 1648, 5583, 18280, 58337, 182480, 561686, 1706136, 5125069, 15249762, 45005309, 131871638, 383966228, 1111712440, 3202612347, 9184267060, 26229945521, 74631504716, 211620269834, 598168622352, 1685884643929, 4738755368478, 13286692506173
(列表;图表;参考;听;历史;文本;内部格式)
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