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A199479号 |
| 三角形T(n,k),按行读取,由(1,0,0,00,0,1,0,0,0,0.0,0,…)DELTA(1,1,0,,0,0-0,0.0,…)给出,其中DELTA是在A084938号. |
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1, 1, 1, 1, 3, 2, 1, 5, 9, 5, 1, 7, 20, 27, 13, 1, 9, 35, 73, 80, 34, 1, 11, 54, 151, 252, 234, 89, 1, 13, 77, 269, 597, 837, 677, 233, 1, 15, 104, 435, 1199, 2225, 2702, 1941, 610, 1, 17, 135, 657, 2158, 4956, 7943, 8533, 5523, 1597
(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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0,5
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评论
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链接
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配方奶粉
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通用公式:(1-2y*x)/(1-(1+3y)*x+y*(1+y)*x2)。
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例子
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三角形开始:
1;
1, 1;
1, 3, 2;
1, 5, 9, 5;
1, 7, 20, 27, 13;
1, 9, 35, 73, 80, 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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