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A196907号 |
| nX3 0..4数组的数量,其中每个元素x等于其水平和垂直邻接数等于3,1,2,0,4,其中x=0,1,2,3,4 |
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1
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3, 13, 50, 193, 731, 2843, 10970, 42213, 162766, 627709, 2419707, 9327886, 35961933, 138640724, 534481526, 2060527603, 7943732911, 30624562306, 118063389795, 455156544799, 1754713724522, 6764749611412, 26079376227742, 100540878288579
(列表;图表;参考文献;听;历史;文本;内部格式)
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抵消
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1,1
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评论
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每0紧挨着0 3,每1紧挨着1 1,每2紧挨着2 2,每3紧挨着3 0,每4紧挨着4 4
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链接
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配方奶粉
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经验公式:a(n)=2*a(n-1)+2*a(n-2)+16*a)
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例子
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n=4的一些解
..0..0..0....0..0..0....0..0..0....1..2..2....0..0..1....1..0..0....0..0..1
..2...2...0…..2...1…..0...0…..1...2...2…..0...0...1…..0...1…..0...0...0...1
..2..2..0....2..2..1....0..1..0....0..0..0....0..0..0....0..0..1....1..0..0
..0..0..0....0..0..0....0..1..0....0..0..0....0..1..1....1..1..0....1..0..0
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交叉参考
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关键字
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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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