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0, 0, 0, 0, 0, 10, 15, 21, 77, 126, 198, 570, 975, 1617, 4213, 7425, 12753, 31421, 56511, 99403, 236203, 431098, 771562, 1787346, 3298527, 5981865, 13598053, 25314061, 46385069, 103918153, 194810143, 359965939, 797154723, 1502994133
(列表;图表;参考;听;历史;文本;内部格式)
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