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A366753型 |
| n的整数分区数,不包含所有不同的二元子多重集和。 |
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8
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0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 3, 4, 9, 11, 22, 27, 48, 61, 98, 123, 188, 237, 345, 435, 611, 765, 1046, 1305, 1741, 2165, 2840, 3502, 4527, 5562, 7083, 8650, 10908, 13255, 16545, 20016, 24763, 29834, 36587, 43911, 53514, 63964, 77445, 92239, 111015, 131753
(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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0,11
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链接
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例子
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y={1,1,1,2,2,3}的二元子多重集是{1,1},{1,2},}1,3},[2,2}和[2,3}。
a(8)=1到a(13)=11分区:
(3221) (32211) (4321) (33221) (4332) (43321)
(32221) (43211) (5331) (53221)
(322111) (322211) (5421) (53311)
(3221111) (43221) (54211)
(322221) (332221)
(332211) (432211)
(432111) (3222211)
(3222111) (3322111)
(32211111) (4321111)
(32221111)
(322111111)
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数学
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表[Length[Select[Integer Partitions[n]!UnsameQ@@Total/@Union[子集[#,{2}]&]],{n,0,30}]
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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