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1, 1, 1, 5, 2, 1, 43, 13, 3, 1, 509, 131, 25, 4, 1, 7579, 1741, 303, 41, 5, 1, 135341, 28451, 4681, 587, 61, 6, 1, 2813851, 549757, 87039, 10449, 1011, 85, 7, 1, 66733853, 12247211, 1885177, 220023, 20445, 1603, 113, 8, 1, 1778159275, 308953453
(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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0,4
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评论
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链接
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例子
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三角形开始:
1;
1,1;
5,2,1;
43,13,3,1;
509,131,25,4,1;
7579,1741,303,41,5,1;
135341,28451,4681,587,61,6,1;
2813851,549757,87039,10449,1011,85,7,1; ...
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黄体脂酮素
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(PARI)T(n,k)=局部(E,L,M=矩阵(n+1,n+1,M,j,if(M>=j,if(M==j,1,if(M==j+1,-3*j,-polcoeff(1-(1+sum(c=1,M-j,prod(i=0,c-1,3*i+1)*x^c)+x*O(x^(M-j)))^-1,M-j);)))^-1); L=矩阵(#M,#M,r,c,如果(r>=c,总和(i=1,#M(-1)^(i-1)*(M-M^0)^i/i)[r,c]);E=矩阵(#L,#L,r,c,如果(r>=c,和(i=0,#L、L^i/3^i/i!)[r,c]));如果(n<k | | k<0,0,E[n+1,k+1])
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交叉参考
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关键字
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作者
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状态
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经核准的
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