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1, 16, 42, 118, 371, 1203, 3917, 12919, 42060, 137964, 453179, 1485554, 4873627, 15999482, 52491249, 172244821, 565295892, 1855010713, 6087300807, 19976720519, 65555588200, 215127264249, 705970664448, 2316727402348, 7602611158078
(列表;图表;参考;听;历史;文本;内部格式)
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