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1, 3, 9, 25, 59, 131, 277, 573, 1167, 2359, 4745, 9521, 19075, 38187, 76413, 152869, 305783, 611615, 1223281, 2446617, 4893291, 9786643, 19573349, 39146765, 78293599, 156587271, 313174617, 626349313, 1252698707, 2505397499, 5010795085, 10021590261
(列表;图表;参考;听;历史;文本;内部格式)
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