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1, 3, 10, 27, 66, 156, 365, 843, 1909, 4238, 9274, 20136, 43564, 94013, 202155, 432475, 919820, 1945767, 4098852, 8610922, 18061277, 37844128, 79212323, 165565920, 345412341, 719047566, 1493488927, 3095654281, 6405734456, 13238611241, 27336762272, 56416256443, 116376652600
(列表;图表;参考文献;听;历史;文本;内部格式)
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