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1, 0, 2, 0, 1, 2, 0, 0, 3, 2, 0, 0, 1, 5, 2, 0, 0, 0, 4, 7, 2, 0, 0, 0, 1, 9, 9, 2, 0, 0, 0, 0, 5, 16, 11, 2, 0, 0, 0, 0, 1, 14, 25, 13, 2, 0, 0, 0, 0, 0, 6, 30, 36, 15, 2, 0, 0, 0, 0, 0, 1, 20, 55, 49, 17, 2, 0, 0, 0, 0, 0, 0, 7, 50, 91, 64, 19, 2, 0, 0, 0, 0, 0
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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偏移
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0.3
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评论
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三角形T(n,k),0<=k<=n,按行读取,由(0,1/2,-1/2,0,0,0,0,0A084938号.
行总和为Fib(n+2)。
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链接
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配方奶粉
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通用名称:(1+x*y)/(1-x*y-x^2*y)。
T(n,k)=T(n-1,k-1)+T(n-2,k-1。
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例子
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三角形开始:
1;
0, 2;
0, 1, 2;
0, 0, 3, 2;
0, 0, 1, 5, 2;
0, 0, 0, 4, 7, 2;
0, 0, 0, 1, 9, 9, 2;
0, 0, 0, 0, 5, 16, 11, 2;
0, 0, 0, 0, 1, 14, 25, 13, 2;
0,0,0,0,0,6,30,36,15,2;
0, 0, 0, 0, 0, 1, 20, 55, 49, 17, 2;
0, 0, 0, 0, 0, 0, 7, 50, 91, 64, 19, 2;
...
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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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