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0, 0, 0, 0, 0, 1, 3, 6, 10, 15, 22, 30, 41, 53, 68, 85, 105, 127, 153, 181, 213, 249, 288, 332, 379, 431, 487, 548, 614, 685, 761, 842, 930, 1023, 1122, 1227, 1338, 1456, 1581, 1713, 1852, 1998, 2152, 2313, 2483, 2660, 2846, 3040, 3243, 3454, 3675, 3904
(列表;图表;参考;听;历史;文本;内部格式)
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