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1, 1, 2, 3, 4, 6, 6, 10, 12, 17, 21, 31, 35, 51, 59, 80, 97, 130, 153, 204, 244, 308, 376, 475, 564, 708, 851, 1043, 1247, 1533, 1816, 2216, 2633, 3174, 3766, 4526, 5324, 6376, 7520, 8917, 10479, 12415, 14524, 17134, 20035, 23489, 27423, 32091, 37286, 43512
(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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0,3
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评论
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链接
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公式
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例子
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a(1)=1到a(8)=12分区:
(1) (2) (3) (4) (5) (6) (7) (8)
(11) (21) (31) (32) (42) (43) (53)
(111) (211) (41) (51) (52) (62)
(1111) (221) (321) (61) (71)
(311) (411) (322) (332)
(11111) (111111) (331) (422)
(421) (431)
(511) (521)
(3211) (611)
(1111111) (3221)
(4211)
(11111111)
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数学
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nQ[ptn_]:=或[ptn=={},并集[ptn]=={1},合集[Length/@Split[ptn]]==范围[Max[Length/@Splict[ptn]]];
表[Length[Select[Integer Partitions[n],nQ]],{n,0,30}]
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交叉参考
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关键字
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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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