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A216344号 |
| 三角形T(n,k),按行读取,由(0,1,1,0,0,0,0,0A084938号. |
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1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 4, 4, 3, 1, 0, 8, 8, 7, 4, 1, 0, 16, 16, 16, 11, 5, 1, 0, 32, 32, 36, 28, 16, 6, 1, 0, 64, 64, 80, 68, 45, 22, 7, 1, 0, 128, 128, 176, 160, 118, 68, 29, 8, 1, 0, 256, 256, 384
(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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0,8
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链接
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配方奶粉
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G.f.:(1-2*x+y*x^2)/(1-2*x-y*x+2*y*x*2-y^2*x^3)
T(n,k)=2*T(n-1,k)+T(n-1,k-1)-2*T(n 2,k-1。
和{k,0<=k<=n}T(n,k)*2^k*(-1/2)^(n-k)=A052955号(n) 。
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例子
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三角形开始:
1
0, 1
0, 1, 1
0, 2, 2, 1
0, 4, 4, 3, 1
0, 8, 8, 7, 4, 1
0, 16, 16, 16, 11, 5, 1
0, 32, 32, 36, 28, 16, 6, 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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