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0, 3, 2, 5, 2, 8, 1, 7, 1, 8, 3, 11, 3, 9, 7, 12, 2, 13, 5, 12, 5, 12, 1, 14, 4, 10, 2, 13, 4, 21, 6, 16, 4, 11, 2, 19, 4, 7, 2, 16, 7, 23, 4, 16, 4, 11, 4, 23, 3, 18, 3, 14, 3, 21, 5, 18, 2, 14, 7, 27, 3, 9, 6, 19, 4, 24, 4, 15
(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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1,2
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评论
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序列继续:??137??, 24, 8, 24, ??145??, 15, ??149??, 13, 8, 24, 3, 25, 6, 11, 3, 31...
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链接
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配方奶粉
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a(n)=(10^(2n)*34/3333)整数部分的素因子数(带重复)。
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例子
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a(6)=8,因为10201020102的因式分解=2*3*3*7*13*17*37*9901。
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数学
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a[n_]:=Plus@@Transpose[FactorInteger[IntegerPart[10^(2n)*34/333]][2];
表[a[n],{n,2,30}]
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交叉参考
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关键词
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非n,较少的
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作者
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状态
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经核准的
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