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A258997型 |
| A(n,k)=n^k的基于pi的抗衍生药;方阵A(n,k),n>=0,k>=0。 |
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6
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0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 4, 2, 0, 0, 0, 12, 12, 4, 0, 0, 0, 32, 54, 32, 3, 0, 0, 0, 80, 216, 192, 30, 7, 0, 0, 0, 192, 810, 1024, 225, 84, 4, 0, 0, 0, 448, 2916, 5120, 1500, 756, 56, 12, 0, 0, 0, 1024, 10206, 24576, 9375, 6048, 588, 192, 12, 0
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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0,13
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链接
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配方奶粉
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例子
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方阵A(n,k)开始:
0, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 0, 0, 0, 0, 0, 0, ...
0, 1, 4, 12, 32, 80, 192, 448, ...
0, 2, 12, 54, 216, 810, 2916, 10206, ...
0, 4, 32, 192, 1024, 5120, 24576, 114688, ...
0, 3, 30, 225, 1500, 9375, 56250, 328125, ...
0, 7, 84, 756, 6048, 45360, 326592, 2286144, ...
0, 4, 56, 588, 5488, 48020, 403368, 3294172, ...
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MAPLE公司
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带有(数字理论):
d: =n->n*加(i[2]*pi(i[1])/i[1],i=ifactors(n)[2]):
A: =(n,k)->`如果`(k=0,0,k*n^(k-1)*d(n)):
seq(seq(A(n,h-n),n=0..h),h=0..14);
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交叉参考
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关键词
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作者
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状态
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经核准的
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