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A233427型 |
| 使用任何形状的五边形的k X n矩形的瓷砖数量A(n,k);方阵A(n,k),n>=0,k>=0。 |
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76
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1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 5, 0, 0, 5, 0, 1, 1, 0, 0, 56, 0, 56, 0, 0, 1, 1, 0, 0, 0, 501, 501, 0, 0, 0, 1, 1, 0, 0, 0, 0, 4006, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 27950, 27950, 0, 0, 0, 1, 1, 1, 0, 45, 0, 0, 214689, 0, 214689, 0, 0, 45, 0, 1
(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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0,31
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链接
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配方奶粉
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A(n,k)=0<=>n*k mod 5>0。
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例子
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A(5.2)=A(2.5)=5:
._________. ._________. ._________. ._________. ._________.
|_________||._____|||_____.||._|||_|
|_________| |_|_______| |_______|_| |___|_____| |_____|___|.
方阵A(n,k)开始:
1, 1, 1, 1, 1, 1, 1, ...
1,0,0,0,0,1,0。。。
1, 0, 0, 0, 0, 5, 0, ...
1, 0, 0, 0, 0, 56, 0, ...
1, 0, 0, 0, 0, 501, 0, ...
1, 1, 5, 56, 501, 4006, 27950, ...
1, 0, 0, 0, 0, 27950, 0, ...
1, 0, 0, 0, 0, 214689, 0, ...
1, 0, 0, 0, 0, 1696781, 0, ...
1, 0, 0, 0, 0, 13205354, 0, ...
1, 1, 45, 7670, 890989, 101698212, 7845888732, ...
...
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交叉参考
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的行总和A247702型,A247703型,A247704型,A247705型,A247706型,A247707型,A247708型,A247709型,A247710型,A247711型,A247712型,A247713型给出A(n,5)。
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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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