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2, 4, 22, 64, 132, 231, 5472, 8877, 34635, 57550, 75542, 636667, 739799, 1291879, 2081880, 3064827, 4039368, 9433189, 16966370, 211947608, 367298045, 1101086463, 1541079585, 16915330550, 20775909209, 24450416187, 575276374739, 707965641746, 3731987263894
(列表;图表;参考;听;历史;文本;内部格式)
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