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1, 2, 5, 12, 27, 57, 117, 240, 495, 999, 2007, 4035, 8123, 16281, 32597, 65280, 130815, 261759, 523647, 1047615, 2096063, 4192671, 8385887, 16773135, 33550319, 67102695, 134207447, 268420035, 536853435, 1073715609, 2147439957, 4294901760, 8589869055
(列表;图表;参考;听;历史;文本;内部格式)
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