搜索: 编号:a228506
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A228506型
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| T(n,k)=左上角值为1且没有两个在水平、垂直、对角或反对角方向相邻的nXk二进制数组的数量。 |
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+0 11
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1, 1, 1, 2, 1, 2, 3, 3, 3, 3, 5, 5, 12, 5, 5, 8, 11, 29, 29, 11, 8, 13, 21, 88, 87, 88, 21, 13, 21, 43, 239, 358, 358, 239, 43, 21, 34, 85, 684, 1252, 2002, 1252, 684, 85, 34, 55, 171, 1909, 4749, 9528, 9528, 4749, 1909, 171, 55, 89, 341, 5392, 17285, 49101, 59839, 49101
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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1,4
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评论
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表格开始
..1...1....2.....3.......5........8........13.........21..........34
..1...1....3.....5......11.......21........43.........85.........171
..2...3...12....29......88......239.......684.......1909........5392
..3...5...29....87.....358.....1252......4749......17285.......64235
..5..11...88...358....2002.....9528.....49101.....243118.....1228036
..8..21..239..1252....9528....59839....413786....2724191....18387032
.13..43..684..4749...49101...413786...3862849...34229311...311423874
.21..85.1909.17285..243118..2724191..34229311..405580157..4951454523
.34.171.5392.64235.1228036.18387032.311423874.4951454523.81304395949
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链接
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公式
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k列的经验值:
k=1:a(n)=a(n-1)+a(n-2)
k=2:a(n)=a(n-1)+2*a(n-2)
k=3:a(n)=2*a(n-1)+3*a(n-2)-2*a(n-3)
k=4:a(n)=2*a(n-1)+7*a(n-2)-2*a(n-3)-3*a(-n-4)
k=5:a(n)=2*a(n-1)+16*a(n-2)+a(n-3)-27*a(n-4)+a(n-5)+4*a(n-6)
k=6:[顺序8]
k=7:[顺序14]
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例子
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n=4k=4的一些解
..1..0..0..0....1..0..0..0....1..0..0..1....1..0..0..0....1..0..0..1
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....1..0..0..0....0..0..0..0....0..0..0..1....1..0..0..0
..1..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..1..0
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交叉参考
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关键字
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作者
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状态
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经核准的
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