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0, 0, 1, 2, 4, 7, 10, 15, 20, 27, 34, 44, 53, 66, 78, 94, 109, 129, 147, 171, 193, 221, 247, 280, 310, 348, 383, 426, 466, 515, 560, 615, 666, 727, 784, 852, 915, 990, 1060, 1142, 1219, 1309, 1393, 1491, 1583, 1689, 1789, 1904, 2012, 2136, 2253, 2386, 2512
(列表;图表;参考;听;历史;文本;内部格式)
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