搜索： a196692-编号：a196691
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A196729号
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| T（n，k）=nXk 0..4个数组的数量，每个元素x等于其水平和垂直邻域的数量，等于2,1,4,0,3，对于x=0,1,2,3,4 |
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+10
5
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1, 2, 2, 3, 5, 3, 4, 11, 11, 4, 6, 34, 76, 34, 6, 9, 101, 408, 408, 101, 9, 13, 299, 2025, 3394, 2025, 299, 13, 19, 890, 10548, 30971, 30971, 10548, 890, 19, 28, 2643, 55431, 299031, 547874, 299031, 55431, 2643, 28, 41, 7855, 289038, 2810070, 9376754, 9376754
(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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每0紧挨着0 2，每1紧挨着1 1，每2紧挨着2 4，每3紧挨着3 0，每4紧挨着4 3
表格开始
..1.....2.......3..........4............6...............9................13
..2.....5......11.........34..........101.............299...............890
..3....11......76........408.........2025...........10548.............55431
..4....34.....408.......3394........30971..........299031...........2810070
..6...101....2025......30971.......547874.........9376754.........155884161
..9...299...10548.....299031......9376754.......280203939........8480784814
.13...890...55431....2810070....155884161......8480784814......466328648058
.19..2643..289038...26244524...2642927522....260413708520....25627044432018
.28..7855.1506376..246996575..44901935948...7925738767972..1401061856163452
.41.23340.7857827.2321651409.759934568782.240995847511411.76824706430678661
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例子
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n=6 k=4的一些解
..0..0..0..0....0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..3..0....0..0..1..1....0..3..1..1
..1..1..0..0....3..0..0..3....3..0..1..1....0..1..0..0....0..0..3..0
..0..0..0..1....0..3..3..0....0..0..0..0....0..1..0..0....1..0..0..0
..0..0..0..1....1..0..0..3....0..3..0..3....0..3..0..3....1..0..3..0
..0...0..3.0...1...0..3.0...0...1...0...0...0...0...0...0...0...0...0...0...1..1
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