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4, 8, 17, 37, 81, 177, 385, 833, 1793, 3841, 8193, 17409, 36865, 77825, 163841, 344065, 720897, 1507329, 3145729, 6553601, 13631489, 28311553, 58720257, 121634817, 251658241, 520093697, 1073741825, 2214592513, 4563402753, 9395240961, 19327352833, 39728447489
(列表;图表;参考;听;历史;文本;内部格式)
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