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(来自的问候整数序列在线百科全书!)
A298177型 T(n,k)=nXk 0..1数组的数量,每个元素等于2、3、6或8,移动相邻元素,左上角元素为零。 4
0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 1, 0, 1, 0, 0, 8, 2, 2, 8, 0, 0, 5, 1, 8, 1, 5, 0, 0, 22, 6, 13, 13, 6, 22, 0, 0, 29, 8, 27, 34, 27, 8, 29, 0, 0, 60, 15, 43, 57, 57, 43, 15, 60, 0, 0, 121, 22, 104, 73, 87, 73, 104, 22, 121, 0, 0, 194, 44, 220, 174, 161, 161, 174, 220, 44, 194, 0, 0, 425, 82 (列表;桌子;图表;参考;;历史;文本;内部格式)
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1,8
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表格开始
.0..0..0...0...0...0....0....0....0.....0.....0.....0......0......0......0
.0..1..2...1...8...5...22...29...60...121...194...425....704...1421...2574
.0..2..0...2...1...6....8...15...22....44....82...152....267....486....898
..1..2…8..13…27…43…104…220…478…988…2085…4451…9505…20311
.0..8..1..13..34..57...73..174..350...800..1605..3376...7079..15234..32785
.0..5..6..27..57..87..161..361..898..1984..4089..8938..20136..45253.100907
.0.22..8..43..73.161..181..540.1076..2572..5179.11814..27638..63592.145715
.0.29.15.104.174.361..540.1380.2682..6043.12820.28413..61050.133945.294724
.0.60.22.220.350.898.1076.2682.4176.11358.21477.51492.105048.245900.540109
链接
配方奶粉
第k列的经验值:
k=1:a(n)=a(n-1)
k=2:a(n)=3*a(n-2)+2*a(n-3)-2*a(n-4)
k=3:a(n)=a(n-1)+2*a(n-2)+2*a(n-5)-4*a(n-6)-8*a(n7)-a(n-8)+a(n-9)
k=4:对于n>27,[订单21]
k=5:对于n>40,[顺序34]
k=6:对于n>74,[订单67]
例子
n=7 k=4的一些解
..0..0..1..1. .0...0..1..1。0..0..0..0. .0..0..0..0. .0..0..1..1
..0..1..0..1. .1..0..0..1. .0..1..1..0. .0..1..1..0. .0..1..0..1
..0..1..0..1. .1..1..1..0. .0..1..0..1. .0..1..0..1. .0..1..0..1
..0..1..0..1. .0..0..0..1. .0..1..0..1。0..1..0..1. .1..0..1..0
..0..1..0..1. .0..1..1..0. .0..1..0..1。0..1..0..1. .1..0..1..0
..0..1..0..1. .1..0..0..1. .1..0..1..0. .0..1..1...0。0..1..1..0
..0..0..1..1. .1..1..1..1. .1..1..0..0. .0..0..0..0. .0..0..0..0
交叉参考
第2列为A297809型.
第3列为A298141型.
第4列是A298142型.
第5列为A298143型.
关键词
非n,
作者
R.H.哈丁,2018年1月14日
状态
已批准

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