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(来自的问候整数序列在线百科全书!)
A246737型 T(n,k)=长度n+4 0..k个数组的数量,在任何连续五项中没有配对,总计正好为k 13
2, 12, 2, 124, 16, 2, 424, 260, 22, 2, 1566, 1096, 548, 30, 2, 3876, 5430, 2884, 1156, 40, 2, 9368, 15960, 18966, 7612, 2436, 52, 2, 18768, 47432, 66378, 66294, 19992, 5132, 68, 2, 36250, 109552, 241544, 276762, 231414, 52112, 10812, 90, 2, 63100, 246890 (列表;桌子;图表;参考;;历史;文本;内部格式)
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表格开始
.2..12....124.....424......1566.......3876........9368........18768
.2..16....260....1096......5430......15960.......47432.......109552
.2..22....548....2884.....18966......66378......241544.......643048
.2..30...1156....7612.....66294.....276762.....1231304......3780600
.2..40...2436...19992....231414....1152576.....6272072.....22219408
.2..52...5132...52112....807630....4791012....31944440....130526848
.2..68..10812..135776…2818830…19906740…162700376…7666650656
.2..90.22780.354428…9838974…82727094…828690200…4502888280
.2.120..47996..926912..34342350..343911336..4220813912..26449024896
.2.160.101124.2426008.119869158.1430080296.21498069128.155366381200
链接
配方奶粉
k列的经验值:
k=1:a(n)=a(n-1)
k=2:a(n)=a(n-1)+a(n-5)
k=3:a(n)=2*a(n-1)+a(n-4)
k=4:[顺序16]
k=5:a(n)=3*a(n-1)+a(n-2)+a
k=6:[订单23]
k=7:a(n)=4*a(n-1)+4*a(n-2)+4*a(n-3)+18*a(4-4)+12*a(n-5)-4*a(n-7)-a(n-8)
k=8:[订单24]
k=9:a(n)=6*a(n-1)+4*a(n-2)+6*a
第n行的经验值:
n=1:a(n)=3*a(n-1)-8*a(n-3)+6*a
n=2:[订单11]
n=3:[顺序13]
n=4:[订单15]
n=5:[订单17]
n=6:[订单19]
n=7:[订单21]
例子
n=4k=4的一些解
..3....4....3....1....1....0....2....1....1....0....2....3....2....4....0....0
..3....1....2....4....4....1....0....4....1....0....4....4....4....3....2....0
..3....1....3....1....2....2....1....2....2....1....3....2....1....4....0....0
..4....1....4....4....1....1....1....1....4....0....3....3....4....4....0....0
..4....4....4....1....4....0....0....1....4....0....3....4....4....4....1....0
..4….1….4….1….1….0….0….1….1….2….3….3….1….3….0….2
..3....2....2....2....4....1....2....0....1....0....4....3....1....3....2....1
..4....4....1....1....1....1....0....2....2....1....3....4....2....3....0....0
交叉参考
第2列为A174469号(n+18)
关键词
非n,
作者
R.H.哈丁,2014年9月2日
状态
经核准的

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