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A333937型 |
| 按行读取三角形:T(n,k)=(k-1)*n-二项式(n,2)+楼层(n-k)/2)+1,转置。 |
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1, 1, 2, 2, 3, 4, 2, 5, 6, 7, 3, 6, 9, 10, 11, 3, 8, 11, 14, 15, 16, 4, 9, 14, 17, 20, 21, 22, 4, 11, 16, 21, 24, 27, 28, 29, 5, 12, 19, 24, 29, 32, 35, 36, 37, 5, 14, 21, 28, 33, 38, 41, 44, 45, 46, 6, 15, 24, 31, 38, 43, 48, 51, 54, 55, 56, 6, 17, 26, 35, 42, 49, 54, 59, 62, 65, 66, 67
(列表;桌子;图表;参考文献;听;历史;文本;内部格式)
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抵消
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1,3
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链接
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P.Erdős和L.Moser,图论中的一个极值问题,J.Austral。数学。Soc.11(1970),42-47。
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例子
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三角形开始:
1,
1, 2,
2, 3, 4,
2, 5, 6, 7,
3, 6, 9, 10, 11,
3, 8, 11, 14, 15, 16,
4, 9, 14, 17, 20, 21, 22,
...
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黄体脂酮素
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(PARI)T(n,k)=(k-1)*n-二项式(n,2)+(n-k)\2+1;
矩阵(7,7,n,k,if(k>n,0,T(k,n))\\查看三角形
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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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