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7, 7, 43, 165, 649, 2527, 10011, 39787, 157725, 623929, 2468377, 9771861, 38692747, 153187901, 606420643, 2400630287, 9503657933, 37623622731, 148945583497, 589647430651, 2334303207355, 9241081910623, 36583780864769, 144828561920695
(列表;图表;参考;听;历史;文本;内部格式)
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