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0, 0, 0, 1, 2, 7, 19, 54, 147, 418, 1150, 3254, 9138, 25953, 73717, 210719, 603370, 1734739, 4998542, 14444576, 41829991, 121406927, 353029078, 1028417980, 3000754648, 8769118355, 25661830891, 75194886765, 220605144778, 647942827064, 1905103686527, 5607037213434, 16517892572160, 48703328674762
(列表;图表;参考;听;历史;文本;内部格式)
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