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| A190626号 |
| 无元素的n×n对称二元矩阵数量的一半等于其对角邻域和反对角邻域的严格多数 |
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0
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1, 0, 2, 6, 42, 324, 4092, 76160, 2171670, 91674436, 5732036632, 535081395254, 74600276538996, 15457006345833026, 4764968523827845468, 2185341275223905432960, 1490580025901441886543202
(列表；图表；参考；听；历史；文本；内部格式)
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偏移
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1,3
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链接
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例子
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n=4且a（1,1）=0的一些解
..0..1..1..1....0..0..0..0....0..0..1..0....0..1..0..1....0..1..0..1
..1..1..0...0...0..1..1...0...0...1...0...1...0...0...1...0...1...1...0...1...0...0...1
..1..0..0..1....0..1..1..0....1..1..0..0....0..0..1..1....0..0..0..1
..1..0..1..1....0..0..0..0....0..0..0..1....1..0..1..0....1..1..1..1
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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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