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0, 0, 0, 0, 0, 0, 1, 12, 89, 528, 2755, 13244, 60214, 263121, 1116791, 4637476, 18936940, 76327705, 304520286, 1205152900, 4738962369, 18540020091, 72240167011, 280579954028, 1087033982059, 4203231136230, 16228518078010, 62588797371361, 241198478726775
(列表;图表;参考;听;历史;文本;内部格式)
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