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1, 3, 6, 15, 26, 63, 106, 255, 418, 1015, 1726, 4067, 6710, 16255, 27586, 65127, 107518, 259603, 442174, 1040883, 1717022, 4161459, 7062270, 16672691, 27524862, 66458499, 113196742, 266466287, 439557690, 1065333615, 1807941610, 4268208175, 7046363242
(列表;图表;参考;听;历史;文本;内部格式)
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