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0, 0, 0, 0, 1, 1, 2, 4, 7, 13, 24, 43, 78, 141, 253, 455, 818, 1468, 2637, 4734, 8495, 15247, 27361, 49094, 88093, 158063, 283599, 508840, 912956, 1638003, 2938861, 5272795, 9460227, 16973125, 30452380, 54636174, 98025512, 175872397, 315541228, 566127763
(列表;图表;参考;听;历史;文本;内部格式)
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