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1, 5, 16, 40, 96, 217, 469, 1011, 2147, 4497, 9389, 19489, 40256, 82948, 170413, 349158, 714153, 1458199, 2972683, 6052561, 12308971, 25006177, 50755272, 102933086, 208594116, 422432018, 854956112, 1729360940, 3496259940, 7065053883, 14270420877, 28812580857
(列表;图表;参考;听;历史;文本;内部格式)
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