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A197360型 |
| nX4 0..4数组的数量,每个元素x等于其水平和垂直邻接数4,3,1,1,其中x=0,1,2,3,4 |
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1
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1, 17, 113, 803, 5855, 41459, 300943, 2224023, 16153497, 116797601, 851944533, 6202923531, 45107191789, 328173759843, 2387891294531, 17373638032901, 126409617048273, 919727576644501, 6691670125651177, 48687601545703711
(列表;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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每个0紧挨着0 4,每个1紧挨着1 3,每个2紧挨着2 1,每个3紧挨着3 1,每个4紧挨着4 1
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链接
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配方奶粉
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经验公式:a(n)=a(n-1)+25*a(n-2)+150*a(n-3)+414*a(-n4)-857*a(n5)-9974*a(6-6)-42118*a(-7)-67868*a 409499(n-16)+914719497(n-17)+2219012323(n-18)+2086276830(n-19)-2516290285(n-20)-16891329383(n-21)-8932490107*a(n-22)+32645318584*a-71872915971293(n-34)-13428224052192(n-35)+178887642807609(n-36)-470090079757467*a(n-37)+222856953175122*a*a(n-47)+6180838932984192*a(n-48)+6548918601458304*a(n-49)-7829036052977664*a(n-50)+43487203235328*a(n-51)+14874608349016*a(n-52)-30309372127416*a
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例子
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某些解包含n=5的所有值0到4
..0..0..0..0....1..3..1..0....1..0..2..1....0..0..0..0....2..1..0..0
..1..3..1..2....1..1..0..0....3..1..1..3....0..1..3..1....1..3..0..1
..0..1..4..1....3..1..2..0....1..4..1..1....1..4..1..2....2..1..1..3
..2..1..1..3....1..4..1..0....2..1..3..1....3..1..1..0....0..1..4..1
..1..3..1..1....2..1..3..1....0..0..0..0....1..1..3..1....1..3..1..2
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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