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4, 9, 36, 134, 450, 1353, 3722, 9529, 22957, 52447, 114282, 238618, 479284, 929223, 1744166, 3178057, 5634919, 9743313, 16461342, 27222342, 44134038, 70247085, 109912626, 169252849, 256773585, 384153835, 567253826, 827390858, 1192940904
(列表;图表;参考;听;历史;文本;内部格式)
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