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0, 0, 2, 4, 7, 10, 15, 20, 27, 34, 45, 56, 69, 82, 101, 120, 143, 166, 195, 224, 257, 290, 333, 376, 423, 470, 529, 588, 653, 718, 791, 864, 945, 1026, 1123, 1220, 1323, 1426, 1547, 1668, 1797, 1926, 2067, 2208, 2359, 2510, 2683, 2856, 3037, 3218, 3419, 3620, 3833, 4046, 4277, 4508
(列表;图表;参考;听;历史;文本;内部格式)
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