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0, 2, 0, 10, 0, 44, 28, 202, 252, 872, 1364, 3748, 6552, 15500, 29040, 63562, 122400, 257588, 504868, 1038520, 2054416, 4171796, 8294444, 16728580, 33349800, 67002392, 133775964, 268207012, 535920696, 1073250704, 2145452092, 4293920842, 8585610704, 17177640992, 34350563968
(列表;图表;参考;听;历史;文本;内部格式)
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