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A243829号 |
| 半长n的Dyck路径的数量A(n,k)正好有三次(可能重叠)出现由k的二进制展开式给出的连续步长模式,其中1=U=(1,1),0=D=(1,-1);方阵A(n,k),n>=0,k>=0。 |
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13
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0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 5, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 1, 20, 0, 0, 0, 0, 0, 0, 0, 10, 50, 0, 0, 0, 0, 0, 0, 1, 0, 50, 105, 0, 0, 0, 0, 0, 0, 0, 4, 5, 175, 196, 0, 0, 0, 0, 0, 0, 0, 0, 20, 56, 490, 336, 0, 0, 0, 0, 0, 0, 0, 1, 5, 80, 364, 1176, 540, 0, 0
(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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0,10
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链接
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例子
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方阵A(n,k)开始:
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
5, 5, 1, 0, 0, 0, 0, 0, 0, 0, ...
0,0,6,1,0,1,0,0,0,0。。。
0, 0, 20, 10, 0, 4, 0, 1, 0, 0, ...
0, 0, 50, 50, 5, 20, 5, 6, 0, 0, ...
0, 0, 105, 175, 56, 80, 56, 35, 0, 5, ...
0, 0, 196, 490, 364, 315, 364, 168, 0, 49, ...
0, 0, 336, 1176, 1800, 1176, 1800, 750, 12, 280, ...
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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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