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1, 3, 11, 39, 139, 503, 1847, 6863, 25739, 97239, 369511, 1410863, 5408311, 20801199, 80233199, 310235039, 1202160779, 4667212439, 18150270599, 70690527599, 275693057639, 1076515748879, 4208197927439, 16466861455199, 64495207366199, 252821212875503
(列表;图表;参考文献;听;历史;文本;内部格式)
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