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0, 2, 4, 8, 14, 27, 51, 96, 180, 340, 644, 1223, 2331, 4455, 8534, 16384, 31514, 60728, 117217, 226593, 438636, 850191, 1649842, 3205121, 6232878, 12132352, 23636673, 46088018, 89934782, 175624455, 343195340, 671088640, 1313061077, 2570645473
(列表;图表;参考;听;历史;文本;内部格式)
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