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A252438型 |
| 每3X3子块行和对角线和等于0 2 4 6或7,每列和反对角线之和不等于0 2 6或7的(5+2)X(n+2)0..3数组的数目 |
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1
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1152, 2993, 9643, 20187, 85563, 302218, 652210, 2786331, 9882896, 21364917, 91892076, 329431402, 713269143, 3086478489, 11174739662, 24228015605, 105441386320, 385277405784, 836364909521, 3658820031018, 13479381001111
(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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链接
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配方奶粉
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经验:a(n)=70*a(n-3)-1310*a(n-6)+2636*a(n9)+32077*a(-12)-114560*a(n-15)-249921*a(-n18)+1417321*a(ni1)+345748*a(nn-24)-783770*a当n>58时,(n-45)+323236*a(n-48)-26094*a(n-51)+840*a(n54)
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示例
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n=4的一些解
..3..2..2..0..2..2....1..3..3..1..0..3....3..2..2..3..2..2....1..0..3..1..3..0
..2..3..2..2..3..2....2..0..2..2..3..2....0..1..3..3..1..0....2..3..2..2..3..2
..0..3..1..3..3..1....2..2..3..2..2..0....2..2..0..2..2..3....2..2..3..2..2..3
..3..2..2..0..2..2....1..3..3..1..3..3....3..2..2..3..2..2....1..3..3..1..3..3
..2..0..2..2..3..2....2..0..2..2..3..2....3..1..3..3..1..0....2..0..2..2..3..2
..3..3..1..3..0..1....2..2..3..2..2..0....2..2..0..2..2..3....2..2..3..2..2..0
..0..2..2..3..2..2....1..3..3..1..0..3....3..2..2..3..2..2....1..3..3..1..0..3
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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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