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2, 4, 14, 30, 82, 160, 386, 718, 1646, 3000, 6742, 12190, 27194, 49024, 109082, 196446, 436726, 786232, 1747406, 3145486, 6990242, 12582624, 27961714, 50331310, 111847742, 201326200, 447392006, 805305918, 1789569226, 3221224960, 7158278282, 12884901310
(列表;图表;参考;听;历史;文本;内部格式)
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