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A196946号 |
| nX4 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4,1,0,2,3,x=0,1,2,3,4 |
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1
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6, 136, 1416, 18060, 220433, 2711711, 33344883, 410312728, 5047886243, 62090427845, 763762342576, 9395250084215, 115573099523164, 1421680898385700, 17488281737625729, 215125917361968970, 2646296681161997258
(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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1,1
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评论
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每个0紧邻0 4,每个1紧邻1 1,每个2紧邻2 0,每个3紧邻3 2,每个4紧邻4 3
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链接
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配方奶粉
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经验:a(n)=3*a(n-1)+49*a(n-2)+466*a(n3)+2714*a(-n4)+14822*a(a-5)+40045*a(nm6)-13074*a(n-15)-2941843570*a(n-16)-4647953916*a-10790406963*a(n-21)-223098127900*a(-n22)-376509702724*a(n-23)-284916996543*a)-12424503170829*a(n-33)+18323418282582*a(-n34)-43747124015672*a(n-35)+53298075764133*a(n-36)-3343299962709*a(n-37)+73788259658971*a(-n38)+78108426967720*a 93572314(n-47)+99010720999383(n-48)-196569534925309(n-49)-76120095466160*a(n-50)-70012269381224*a 859633053(n-61)-4866073561101(n-62)-1087107357114(n-63)-821218057172*a(n-64)+11934276481294*a(n-65)-2431374694673*a(e-66)-4791807166894*a)-487513235*a(n-76)-469952803*a(n-77)+589870484*a(n78)-51400179*a(-n79)+225488643*a(n-80)-57373941*a
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例子
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n=5的一些解
..0..0..1..1....0..0..1..1....0..2..1..1....0..0..0..2....0..2..1..0
..1..0..0..0....1..2..0..0....2..0..0..2....0..2..2..0....0..0..1..0
..1.0...1...1...1...2...0...0...1...0...0...1...1...0...0...0...0...0...0...0...0
..2..0..0..0....0..0..2..2....0..0..0..0....1..0..0..0....0..0..2..2
..0..0..1..1....2..0..2..0....2..0..1..1....1..0..1..1....2..0..2..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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