搜索: 编号:a318717
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1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 5, 1, 5, 4, 6, 1, 10, 1, 11, 6, 12, 1, 19, 3, 18, 8, 23, 1, 36, 2, 32, 13, 38, 7, 57, 2, 54, 19, 68, 3, 95, 3, 90, 33, 104, 3, 148, 7, 149, 40, 166, 5, 230, 17, 226, 56, 256, 6, 360, 9, 340, 84, 390, 25, 527, 11, 513, 109
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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0,7
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链接
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示例
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a(20)=11个分区:
(20),
(12,8), (14,6), (15,5), (16,4), (18,2),
(10,6,4), (10,8,2), (12,6,2), (14,4,2),
(8,6,4,2).
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数学
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表[Length[Select[Integer Partitions[n],And[UnsameQ@@#,And@@(GCD[##]>1&)@@@Select[Tuples[#,2],Less@@#&]]&]],{n,30}]
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交叉参考
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囊性纤维变性。A000009号,A007359号,A007360型,A051185号,A302569型,A302797型,A303140型,A303280型,A303283,A305713型,A305843型,电话:305854,A305713型,A318715型,A318719型.
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关键词
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非n
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作者
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扩展
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状态
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经核准的
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