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A206800型 |
| Riordan阵列(1/(1-3*x+x^2),x*(1-x)/(1-3*x+x^2))。 |
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1
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1, 3, 1, 8, 5, 1, 21, 19, 7, 1, 55, 65, 34, 9, 1, 144, 210, 141, 53, 11, 1, 377, 654, 534, 257, 76, 13, 1, 987, 1985, 1905, 1111, 421, 103, 15, 1, 2584, 5911, 6512, 4447, 2041, 641, 134, 17, 1, 6765, 17345, 21557, 16837, 9038, 3440, 925, 169, 19, 1
(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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0,2
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参考文献
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由(0,3,-1/3,1/3,0,0,零,0,0-,0,…)DELTA(1,0,-1/3A084938号.
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链接
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配方奶粉
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T(n,k)=3*T(n-1,k)+T(n-l,k-1)-T(n-2,k)-T。
通用系数:1/(1-(y+3)*x+(y+1)*x^2)。
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示例
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三角形开始:
1
第3页,第1页
8, 5, 1
21, 19, 7, 1
55, 65, 34, 9, 1
144, 210, 141, 53, 11, 1
377, 654, 534, 257, 76, 13, 1
987, 1985, 1905, 1111, 421, 103, 15, 1
2584, 5911, 6512, 4447, 2041, 641, 134, 17, 1
6765, 17345, 21557, 16837, 9038, 3440, 925, 169, 19, 1
三角形(0,3,-1/3,1/3,0,0,0,0,0,1,…)三角形(1,0,-1/3.1/3,0,1,0,0,…)开始于:
1
0,1
0, 3, 1
0、8、5、1
0, 21, 19, 7, 1
0, 55, 65, 34, 9, 1...
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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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