搜索： 编号：a188808
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A188808号
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| T（n，k）=每个元素保留在其原始行或原始列中的nXk数组排列数 |
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+0
三
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1, 2, 2, 6, 9, 6, 24, 82, 82, 24, 120, 1313, 2720, 1313, 120, 720, 32826, 194568, 194568, 32826, 720, 5040, 1181737, 26101232, 72104097, 26101232, 1181737, 5040, 40320, 57905114, 5919004912, 57951767544, 57951767544, 5919004912, 57905114, 40320
(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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1,2
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评论
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表格开始
.....1........2..........6..........24.........120........720..........5040
.....2........9.........82........1313.......32826....1181737......57905114
.....6.......82.......2720......194568....26101232.5919004912.2103543163584
....24.....1313.....194568....72104097.57951767544
...120....32826...26101232.57951767544
...720..1181737.5919004912
..5040.57905114
.40320
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链接
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例子
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4X3的一些解决方案
..3.2.11..3.0..8..0.10..8…..3.0..1..0.10.11…..0..4..8…..1..2..0
..9..1..4....4..1..5....6..7..3....9..7.11....6..5..4....3..1..5....6..4..5
..6..8..7....7..6.11....9..4..5....8.10..5....9..8..7....6..7..2....9..7..8
..0.10..5...10..9..2...11..1..2....6..4..2....3..1..2...11.10..9....3.10.11
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交叉参考
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关键词
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作者
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状态
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经核准的
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