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1, 3, 9, 23, 57, 141, 351, 875, 2181, 5435, 13543, 33747, 84093, 209549, 522169, 1301177, 3242363, 8079545, 20133171, 50169233, 125015177, 311521495, 776270883, 1934365665, 4820186623, 12011275583, 29930530167, 74582972465, 185851027385
(列表;图表;参考;听;历史;文本;内部格式)
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