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3, 9, 21, 63, 189, 441, 567, 693, 2079, 4851, 6237, 13167, 39501, 92169, 118503, 276507, 829521, 908523, 2119887, 2725569, 6359661, 19078983, 28164213, 57236949, 84492639, 171710847, 197149491, 591448473, 1211061159, 1774345419, 3633183477, 5323036257, 6505933203
(列表;图表;参考;听;历史;文本;内部格式)
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