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A197345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3,3,1,0,其中x=0,1,2,3,4 |
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1
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1, 9, 18, 83, 245, 914, 3155, 11287, 39850, 141325, 501819, 1782870, 6328399, 22463277, 79770690, 283288919, 1005900951, 3571642082, 12682562591, 45035370321, 159915993486, 567839908711, 2016337387209, 7159825934978
(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 3,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 0
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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)+2*a(n-2)+8*a(n-3)+52*a(-n4)+40*a(v-5)+33*a(n6)-34*a(7-7)-471*a(8-8)-603*a)-192*a(n-18)
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例子
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n=4的一些解
..1..3..1....0..0..1....1..3..1....0..1..2....1..3..1....1..0..0....0..0..1
..2..1..2....1..1..3....0..1..1....1..3..1....2..1..2....3..1..0....0..1..3
..2..1..0....3..1..1....0..1..3....1..3..1....0..1..0....1..1..0....0..2..1
..1..3.1...1...0...0...2...1...0...0...1...3...1...1...3...1...3...1...0...0...0
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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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