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5, 21, 26, 73, 173, 374, 842, 1923, 4326, 9786, 22216, 50282, 113823, 257876, 584048, 1322693, 2995970, 6785755, 15368972, 34809869, 78842537, 178572968, 404456933, 916071309, 2074845102, 4699397535, 10643852519, 24107680509, 54602433896
(列表;图表;参考文献;听;历史;文本;内部格式)
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