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10239英镑 |
| 三角形,按行读取,由(2,-1,0,0,0,0,0,0,…)DELTA(2,-1/2,-1/2,0,0,0,0,0,…)给定,其中DELTA是A084938号. |
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1, 2, 2, 2, 5, 3, 2, 9, 12, 5, 2, 13, 28, 25, 8, 2, 17, 52, 74, 50, 13, 2, 21, 84, 167, 177, 96, 21, 2, 25, 124, 320, 470, 397, 180, 34, 2, 29, 172, 549, 1041, 1211, 850, 331, 55, 2, 33, 228, 870, 2034, 3042, 2928, 1758, 600, 89
(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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链接
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配方奶粉
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通用格式:(1+x+y*x)/(1-x-y*x-y*x^2-y^2*x^2)。
T(n,k)=T(n-1,k)+T。
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例子
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三角形开始:
1
2, 2
2, 5, 3
2, 9, 12, 5
2, 13, 28, 25, 8
2, 17, 52, 74, 50, 13
2, 21, 84, 167, 177, 96, 21
2, 25, 124, 320, 470, 397, 180, 34
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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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