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A101224号 |
| 三角形,按行读取,其中T(n,1)=n^2-n+1表示n>=1,T;与Flavius筛有关(A000960型). |
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2
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1, 3, 2, 7, 6, 5, 13, 12, 10, 9, 21, 20, 18, 16, 15, 31, 30, 28, 27, 26, 25, 43, 42, 40, 36, 33, 32, 31, 57, 56, 54, 50, 48, 45, 44, 43, 73, 72, 70, 66, 65, 64, 63, 62, 61, 91, 90, 88, 84, 78, 75, 72, 69, 68, 67, 111, 110, 108, 104, 98, 96, 95, 92, 90, 88, 87, 133, 132, 130, 126
(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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1,2
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评论
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链接
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配方奶粉
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例子
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T(4,4)=9,因为我们从T(4,1)=4^2-4+1=13开始,然后
T(4,2)=(4-2+1)*楼层((T(4,1)-1)/(4-2+1,
T(4,3)=(4-3+1)*楼层(T(4,1)-1)/(4-3+))=2*楼层((12-1)/2)=10,
T(4,4)=(4-4+1)*楼层(T(4,1)-1)/(4-4/1))=1*楼层((10-1)/1)=9。
行开始:
[1],
[3,2],
[7,6,5],
[13,12,10,9],
[21,20,18,16,15],
[31,30,28,27,26,25],
[43,42,40,36,33,32,31],
[57,56,54,50,48,45,44,43],
[73,72,70,66,65,64,63,62,61],...
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黄体脂酮素
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(PARI)T(n,k)=如果(k==1,n^2-n+1,(n-k+1)*楼层
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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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