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1, 2, 5, 13, 35, 97, 285, 877, 2834, 9564, 33627, 122806, 464672, 1817558, 7334633, 30482068, 130254931, 571484549, 2571058232, 11846898542, 55849085590, 269103224044, 1324099844979, 6647523600943, 34025303476040, 177434113736861
(列表;图表;参考文献;听;历史;文本;内部格式)
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