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(来自的问候整数序列在线百科全书!)
A196696号 T(n,k)=nXk 0..4阵列的数量,每个元素x等于其水平和垂直邻域的数量,x=0,1,2,3,4 8
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, 546956, 299031, 55431, 2643, 28, 41, 7855, 289038, 2810070, 9357578, 9357578 (列表;桌子;图表;参考;;历史;文本;内部格式)
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1,2
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每0紧挨着0 2,每1紧挨着1 1,每2紧挨着2 3,每3紧挨着3 0,每4紧挨着4 4
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.......546956.........9357578.........155701871
..9...299...10548.....299031......9357578.......279754939........8471917814
.13...890...55431....2810070....155701871......8471917814......465819437152
.19..2643..289038...26244524...2639528950....259951215394....25583402376768
.28..7855.1506376..246996575..44828048153...7909511305426..1398455518363119
.41.23340.7857827.2321651409.758613680168.240483051204609.76661027104639150
链接
例子
n=6 k=4的一些解
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..1..1
..3..0..1..1....1..1..3..0....1..1..0..0....1..0..0..1....0..1..0..0
..0..3..0..0....0..3..0..3....0..3..0..3....1..0..3..1....0..1..3..0
..0..1..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..3..0..3
..0..1..0..0....0..3..0..3....0..0..3..0....0..0..1..0....1..0..0..0
..0..0..1..1....0..1..1..0....0..1..1..0....0..0..1..0....1..0..3..0
交叉参考
第1列为A000930号(n+1)
关键词
非n
作者
R.H.哈丁2011年10月5日
状态
已批准

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