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A107048号 |
| 满足以下条件的系数的分母:2^n=Sum_{k=0..n}c(k)*x^k表示n>=0,其中c(k=A107047号(k) /a(k)。 |
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11
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1, 1, 4, 108, 6912, 21600000, 2332800000, 1921161110400000, 31476303632793600000, 16727798278915463577600000, 209097478486443294720000000000
(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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链接
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配方奶粉
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例子
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2^0 = 1;
2^1 = 1 + 1;
2^2 = 1 + 1*2 + (1/4)*2^2;
2^3 = 1 + 1*3 + (1/4)*3^2 + (7/108)*3^3;
2^4 = 1 + 1*4 + (1/4)*4^2 + (7/108)*4^3 + (77/6912)*4^4.
初始分数系数为:
395159/2332800000, 31824093937/1921161110400000,
44855117331581/31476303632793600000, ... }.
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黄体脂酮素
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(PARI){a(n)=分母(和(k=0,n,2^k*(矩阵(n+1,n+1,r,c,if(r>=c,(r-1)^(c-1))^-1)[n+1,k+1]))}
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交叉参考
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关键词
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非n,压裂
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作者
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状态
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经核准的
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