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2, 6, 14, 122, 362, 5282, 20582, 397154, 2027090, 46177922, 303147902, 7699478162, 63517159994, 1745540360930, 17676592058582, 517137940132802, 6290714838241442, 194139271606482434, 2782486941099788270, 90105513853333901042, 1495993248737211995402, 50671468195931300884322
(列表;图表;参考;听;历史;文本;内部格式)
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