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(来自的问候整数序列在线百科全书!)
1967年1月 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4,1,2,0,3,对于x=0,1,2,3,4 8
1, 2, 2, 3, 6, 3, 4, 15, 15, 4, 6, 48, 101, 48, 6, 9, 145, 562, 562, 145, 9, 13, 449, 3145, 5465, 3145, 449, 13, 19, 1397, 17966, 58639, 58639, 17966, 1397, 19, 28, 4342, 102080, 634241, 1210968, 634241, 102080, 4342, 28, 41, 13500, 579654, 6764386, 24281566 (列表;桌子;图表;参考;;历史;文本;内部格式)
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每0紧挨着0 4,每1紧挨着1 1,每2紧挨着2 2,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…..6…..15………………………48……………145…………449……………1397
..3....15......101........562..........3145............17966.............102080
..4....48......562.......5465.........58639...........634241............6764386
..6...145.....3145......58639.......1210968.........24281566..........482839574
..9...449....17966.....634241......24281566........906566345........33928210026
.13..1397...102080....6764386.....482839574......33928210026......2383058555507
.19..4342...579654...72281541....9688062164....1276381991598....167702841476961
.28.13500..3294963..773637307..194158517334...47878302949552..11786999591610885
.41.41981.18723516.8274218119.3887864391419.1796412252140585.828960396306273892
链接
例子
n=6 k=4的一些解
..0..0..0..0....0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0
..1..0..3..0....3..0..0..3....0..0..0..1....0..1..1..0....0..0..1..1
..1..0..1..0....0..1..1..0....0..3..0..0....1..0..0..3....1..1..0..0
..0..3..1..0....0..0..3..0....0..1..1..0....1..0..0..0....2..2..0..0
..1..0..3..0....0..0..0..0....0..0..2..2....0..0..0..1....2..2..0..0
..1..0..0..0....0..0..1..1....0..0..2..2....0..0..0..1....0..0..1..1
交叉参考
第1列是A000930号(n+1)
关键词
非n,
作者
R.H.哈丁2011年10月8日
状态
经核准的

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