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7, 13, 31, 91, 307, 1123, 4291, 16771, 66307, 263683, 1051651, 4200451, 16789507, 67133443, 268484611, 1073840131, 4295163907, 17180262403, 68720263171, 274879479811, 1099514773507, 4398052802563, 17592198627331, 70368769343491, 281475027042307, 1125900007505923
(列表;图表;参考;听;历史;文本;内部格式)
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