搜索: 编号:a243827
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243827元
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| 半长度n的Dyck路径的数目A(n,k),具有由k的二元展开给出的连续阶跃模式的恰好一次出现,其中1=U=(1,1),0=D=(1,-1);方阵A(n,k),n>=0,k>=0。 |
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+0 17
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0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 3, 1, 0, 0, 0, 0, 1, 4, 6, 1, 0, 0, 0, 0, 1, 2, 11, 10, 1, 0, 0, 0, 0, 0, 4, 6, 26, 15, 1, 0, 0, 0, 0, 0, 1, 11, 16, 57, 21, 1, 0, 0, 0, 0, 0, 1, 4, 26, 45, 120, 28, 1, 0, 0, 0, 0, 1, 1, 5, 15, 57, 126, 247, 36, 1, 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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0,25
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链接
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例子
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方阵A(n,k)开始于:
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 1, 1, 1, 1, 1, 0, 0, 0, ...
0, 0, 1, 3, 4, 2, 4, 1, 1, 1, ...
0, 0, 1, 6, 11, 6, 11, 4, 5, 5, ...
0, 0, 1, 10, 26, 16, 26, 15, 21, 17, ...
0, 0, 1, 15, 57, 45, 57, 50, 78, 54, ...
0, 0, 1, 21, 120, 126, 120, 161, 274, 177, ...
0, 0, 1, 28, 247, 357, 247, 504, 927, 594, ...
0, 0, 1, 36, 502, 1016, 502, 1554, 3061, 1997, ...
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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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