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1, 2, 4, 7, 14, 26, 49, 93, 176, 333, 630, 1192, 2255, 4267, 8073, 15274, 28900, 54679, 103455, 195741, 370348, 700713, 1325774, 2508412, 4746007, 8979617, 16989761, 32145244, 60819967, 115073582, 217723390, 411940547, 779406450, 1474665262, 2790120139
(列表;图表;参考;听;历史;文本;内部格式)
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