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1, 3, 9, 25, 65, 163, 401, 977, 2369, 5731, 13849, 33449, 80769, 195011, 470817, 1136673, 2744193, 6625091, 15994409, 38613945, 93222337, 225058659, 543339697, 1311738097, 3166815937, 7645370019, 18457556025, 44560482121, 107578520321, 259717522819
(列表;图表;参考;听;历史;文本;内部格式)
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