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A226846型 |
| 某些(n+1)X3二进制数组的2X2子块的永久数的nX2(0,1,2)数组的数目 |
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1
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9, 71, 417, 2291, 12961, 75111, 435829, 2516107, 14498679, 83596597, 482294269, 2782594803, 16052069059, 92596152241, 534149182269, 3081333299995, 17775212697869, 102539091355747, 591512212912103, 3412229156562681
(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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经验公式:a(n)=6*a(n-1)-8*a(n-2)+29*a(n3)+59*a n-17)-237*a(n-18)-72*a(n-19)
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例子
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n=3的一些解
..1..1....2..2....2..2....0..2....0..2....1..1....2..1....1..0....1..0....0..0
..1..1....1..2....2..2....0..2....1..2....2..2....2..0....1..2....0..0....0..0
..2..0....0..0....2..2....0..1....2..1....1..1....1..0....2..2....0..0....0..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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