搜索： 编号：a204795
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A204795型
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| 具有所有2X2子块行列式的行和列的（n+1）X4 0..1数组的数量按字典顺序不变 |
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125, 1001, 6537, 42214, 270148, 1729515, 11096511, 71369791, 459554519, 2960897995, 19082285695, 122998524851, 792865245671, 5111098107899, 32948570941935, 212404040448451, 1369275577457015, 8827137858045451
(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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链接
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公式
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经验：对于n>15，a（n）=10*a（n-1）-17*a（n-2）-64*a（n3）+168*a
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例子
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n=4的一些解
..1..0..0..0....1..1..1..0....1..1..0..0....0..1..1..1....1..1..1..1
..1.0...0...1...0...0...0...0...1...0...0...1...0...1...0...1...0...0...0...0...0
..0..0..0..1....0..1..1..1....0..0..0..1....1..0..0..1....1..1..1..0
..1..0..0..0....0..0..0..0....0..1..0..0....0..0..0..0....1..1..1..1
..0..0..0..1....1..0..1..1....0..1..0..1....1..1..1..1....0..0..0..1
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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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