OEIS哀悼西蒙斯感谢西蒙斯基金会支持包括OEIS在内的许多科学分支的研究。
登录
OEIS由OEIS基金会的许多慷慨捐赠者.

 

标志
提示
(来自的问候整数序列在线百科全书!)
212683英镑 T(n,k)=长度为n的0..k数组的数量,每个元素与至少一个相邻元素相差1或更少,从0开始 10
0, 0, 2, 0, 2, 4, 0, 2, 5, 8, 0, 2, 5, 14, 16, 0, 2, 5, 20, 40, 32, 0, 2, 5, 26, 68, 113, 64, 0, 2, 5, 32, 100, 241, 320, 128, 0, 2, 5, 38, 133, 418, 844, 906, 256, 0, 2, 5, 44, 166, 636, 1692, 2966, 2565, 512, 0, 2, 5, 50, 199, 891, 2856, 6932, 10413, 7262, 1024, 0, 2, 5, 56, 232 (列表;桌子;图表;参考;;历史;文本;内部格式)
抵消
1、3
评论
表格开始
…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0
....2.....2......2.......2.......2........2........2........2........2
....4.....5......5.......5.......5........5........5........5........5
....8....14.....20......26......32.......38.......44.......50.......56
...16....40.....68.....100.....133......166......199......232......265
...32...113....241.....418.....636......891.....1182.....1509.....1872
...64...320....844....1692....2856.....4326.....6102.....8184....10572
..128...906...2966....6932...13169....21985....33710....48674....67202
..256..2565.10413…28288…60120…109567…180382…276317…401105
..512..7262..36568..115604..275632...551027...980490..1606710..2476200
.1024.20560.128408..472188.1261451..2759757..5289023..9228224.15012528
.2048.58209.450913.1929012.5777107.13846871.28634131.53334307.91896348
链接
配方奶粉
k列的经验值:
k=1:a(n)=2*a(n-1),对于n>2
k=2:a(n)=2*a(n-1)+2*a(n-2)+a(n-3)
k=3:a(n)=3*a(n-1)+2*a(n-2)-a(n-3)+a(n-4)
k=4:a(n)=3*a(n-1)+4*a(n-2)+6*a(-n4)+4*a(n-5)+4*1(n-6)
k=5:a(n)=4*a(n-1)+3*a
k=6:a(n)=4*a(n-1)+5*a(n2)-7*a(n-3)+33*a(-n4)+17*a(n-5)+24*a
k=7:a(n)=5*a(n-1)+3*a(n2)-16*a(n-3)+65*a
第n行的经验值:
n=1:a(n)=0
n=2:a(n)=2
n=3:n>1时,a(n)=5
n=4:a(n)=6*n+2
n=5:a(n)=33*n-32,对于n>3
n=6:a(n)=18*n^2+57*n-99,对于n>4
n=7:a(n)=153*n^2-213*n+96,对于n>3
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....1....1....1....1....0....0....0....0....1....0....0....0....0....1
..2....0....0....0....4....1....4....4....0....2....1....1....1....0....0....2
..1....2....3....1....3....2....3....3....1....3....3....1....2....0....1....3
..1....1....4....2....2....1....2....3....4....2....3....1....1....0....1....0
..0....2....4....2....1....0....3....4....4....2....4....2....1....1....2....1
交叉参考
第4行是A016933级
关键词
非n
作者
R.H.哈丁2013年1月22日
状态
经核准的

查找|欢迎光临|维基|注册|音乐|地块2|演示|索引|浏览|更多|网络摄像头
贡献新序列。或评论|格式|样式表|变换|超级搜索|最近
OEIS社区|维护人OEIS基金会。

许可协议、使用条款、隐私政策。.

上次修改时间:美国东部夏令时2024年5月28日19:24。包含372919个序列。(在oeis4上运行。)