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A183318号 |
| 元素为零的nX6二进制数组的数量,仅当其左侧有偶数个一,其上方有偶数几个一时 |
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1
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21, 119, 1109, 7833, 61755, 455509, 3437801, 25528515, 190243099, 1412491505, 10484413673, 77772795145, 576515430247, 4273815283079, 31666450138863, 234664439146089, 1738444321229885, 12880327740810545, 95414952005019587
(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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1,1
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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)=a(n-1)+155*a(n-2)-83*a(n-3)-10499*a(-n4)+2739*a a(n-15)-270649716999*a(n-16)-4937331775*a+163670254649*a(n-21)+41751512005591*a 16400381(n-32)+218575487621235(n-33)+334587217110277(n-34)-274993070105947*a(n-35)-3312136548981459*a)+93322287344023(n-46)-496758788153(n-47)-20850409285435(n-48)+864282086203*a(n-49)+3434976022529*a*a(n-62)-a(n-63)-a
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例子
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5X6的一些解决方案
..0..0..0..0..0..1....0..0..1..1..0..0....0..0..0..1..1..1....0..0..0..1..1..0
..0..1..1..0..0..1....1..1..1..1..1..1....0..0..0..1..1..1....0..1..1..1..1..1
..0..1..1..0..0..1....1..1..0..1..1..1....0..0..0..0..0..0....1..1..1..1..0..1
..0..0..0..0..0..1....0..0..1..1..0..0....0..1..1..1..1..0....1..1..1..1..0..0
..1..1..0..0..0..1....1..1..1..1..0..1....0..1..1..1..1..0....0..1..1..0..0..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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