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(来自的问候整数序列在线百科全书!)
A243641型 T(n,k)=长度n+2 0..k数组的数量,一行中没有三个不等元素,新值0..k按0..k的顺序引入 8
4, 4, 8, 4, 9, 16, 4, 9, 21, 32, 4, 9, 21, 50, 64, 4, 9, 21, 51, 120, 128, 4, 9, 21, 51, 127, 289, 256, 4, 9, 21, 51, 127, 323, 697, 512, 4, 9, 21, 51, 127, 324, 835, 1682, 1024, 4, 9, 21, 51, 127, 324, 844, 2187, 4060, 2048, 4, 9, 21, 51, 127, 324, 844, 2242, 5787, 9801, 4096, 4 (列表;桌子;图表;参考;;历史;文本;内部格式)
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1,1
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表格开始
....4....4.....4.....4.....4.....4.....4.....4.....4.....4.....4.....4.....4
....8....9.....9.....9.....9.....9.....9.....9.....9.....9.....9.....9.....9
...16...21....21....21....21....21....21....21....21....21....21....21....21
…32…50…51…51…51…51…51…51…51…51…51…51…51…51…51…51…51…51…51…51
...64..120...127...127...127...127...127...127...127...127...127...127...127
..128..289...323...324...324...324...324...324...324...324...324...324...324
..256..697…835…844…844…844…844…844…844…844…844…844…844…844…844…844
..512.1682..2187..2242..2243..2243..2243..2243..2243..2243..2243..2243..2243
.1024.4060..5787..6062..6073..6073..6073..6073..6073..6073..6073..6073..6073
.2048.9801.15435.16655.16736.16737.16737.16737.16737.16737.16737.16737.16737
链接
配方奶粉
k列的经验值:
k=1:a(n)=2*a(n-1)
k=2:a(n)=3*a(n-1)-a(n-2)-a
k=3:a(n)=5*a(n-1)-6*a(n-2)-2*a(n-3)+4*a(-n-4)
k=4:a(n)=7*a(n-1)-14*a(n-2)+21*a
k=5:[顺序8]
k=6:[顺序10]
k=7:[顺序12]
k=8:[顺序14]
k=9:[顺序16]
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
..1....0....0....0....1....1....0....0....0....0....1....1....0....1....1....0
..1....1....1....0....1....0....0....0....1....1....1....0....0....1....1....1
..1....1....0....1....1....0....1....0....0....1....2....0....1....2....2....1
..2....2....0....0....0....0....0....0....0....2....1....1....1....2....2....0
..2....1....1....1....1....1....0....0....0....1....1....1....0....1....3....1
..3....1....1....1....0....0....0....0....1....1....1....1....0....1....3....1
..2....2....1....1....1....1....0....1....1....1....0....0....2....2....0....0
交叉参考
第1列是A000079号(n+1)
第2列为A024537号(n+1)
第3列为A094286号(n+2)
关键词
非n,
作者
R.H.哈丁2014年6月8日
状态
经核准的

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上次修改时间:美国东部夏令时2024年6月3日09:08。包含373057个序列。(在oeis4上运行。)