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(来自的问候整数序列在线百科全书!)
A317741型 T(n,k)=nXk 0..1数组的数量,每个元素在水平、垂直或反对角相邻元素中不等于2或3,左上角元素为零。 8
0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 2, 1, 2, 0, 0, 4, 3, 3, 4, 0, 0, 9, 2, 4, 2, 9, 0, 0, 22, 4, 14, 14, 4, 22, 0, 0, 53, 6, 23, 14, 23, 6, 53, 0, 0, 130, 14, 35, 38, 38, 35, 14, 130, 0, 0, 320, 14, 98, 74, 22, 74, 98, 14, 320, 0, 0, 788, 22, 213, 149, 36, 36, 149, 213, 22, 788, 0, 0, 1942, 43 (列表桌子图表参考历史文本内部格式)
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1,12
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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..1...2...4...9...22..53..130..320...788..1942..4787..11801..29093
.0...1..1...3...2...4....6..14...14...22....43....68....82....147....246
.0…2..3…4..14.23…35.98.213…448…1053…2285…5170…11442…25631
.0...4..2..14..14..38...74.149..269..662..1294..2721..5911..12084..25175
.0...9..4..23..38..22...36.140..146..218...736..1072..1890...4505...8860
.0..22..6..35..74..36..274.280.1065.1939..5947.13101.35847..83062.222994
.0..53.14..98.149.140..280.676..914.2388..3845.11110.14133..42876..69411
.0.130.14.213.269.146.1065.914.3242.5466.15470.37531.94202.234901.706951
链接
配方奶粉
k列的经验值:
k=1:a(n)=a(n-1)
k=2:a(n)=2*a(n-1)+a(n-2)+a
k=3:n>13时[顺序10]
k=4:对于n>26,[订单23]
k=5:对于n>39,[订单33]
k=6:对于n>63,[订单56]
k=7:对于n>108,[订单97]
例子
n=5 k=4的一些解
..0..1..0..1. .0..1..0..1. .0..1..1..0. .0..1..0..1. .0..1..1..1
..1..0..0..1. .1..0..0..0. .1..0..0..1. .1..0..0..0. .1..0..0..0
..0..0..1..0. .0..1..1..1. .0..0..1..0. .1..0..1..1. .0..0..1..1
..1..1..1..0. .1..1.1..1.0。1..1.1..1.0。0..1..1..0. .1..1..1..0
..0..1..0..1. .0..0..0..1. .0..1..0..1. .0..1..0..1. .0..0..0..1
交叉参考
关键词
非n,
作者
R.H.哈丁,2018年8月5日
状态
经核准的

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