A250014-OEIS公司

A250014型

T（n，k）=长度n+5 0..k数组的数量，没有六个连续项，任何三个项的最大值等于其余三个项中的最小值

20, 300, 20, 2040, 520, 20, 8840, 5200, 912, 20, 28860, 30360, 13512, 1612, 20, 77700, 125780, 106352, 35440, 2864, 20, 182000, 412160, 558588, 375756, 93384, 5102, 20, 383760, 1140160, 2224848, 2499284, 1332504, 246560, 9090, 20, 745380, 2776080

(列表;桌子;图表;参考;听;历史;文本;内部格式)

抵消

1,1

表格开始

.20...300.....2040......8840.......28860........77700........182000

.20...520.....5200.....30360......125780.......412160.......1140160

.20...912....13512....106352......558588......2224848.......7259024

.20..1612....35440....375756.....2499284.....12088256......46481536

.20..2864....93384...1332504....11215276.....65834856.....298220320

.20..5102...246560...4732480....50383892....358850926....1914587120

.20..9090...651144..16813550...226419876...1956551556...12294501768

.20.16272..1723328..59817840..1018508340..10675467072...78993574080

.20.29158..4564240.212915478..4583261868..58265451392..507664903912

.20.52262.12092304.758003332.20627283972.318035896726.3262820072464

链接

R.H.哈丁，n=1..640时的n，a（n）表

配方奶粉

第k列的经验值：

k=1:a（n）=a（n-1）

k=2:[55阶线性递归]

第n行的经验值：

n=1:a（n）=n ^6+3*n ^5+5*n ^4+5*n^3+4*n ^2+2*n

n=2:a（n）=n^7+2*n^6+4*n^5+5*n^4+（17/3）*n^3+3*n^2-（2/3）*n

n=3:[八次多项式]

n=4:[九次多项式]

n=5:[10次多项式]

n=6:[11次多项式]

n=7:[十二次多项式]

例子

n=3k=4的一些解

..2....2....0....2....3....1....0....3....3....0....0....0....1....4....3....4

..4....0....1....3....0....0....3....0....1....2....2....4....3....3....2....0

..3....2....0....1....3....1....0....0....2....1....3....1....2....1....4....3

..0....1....2....1....1....3....4....0....0....1....3....2....3....0....4....4

..1....0....3....0....3....2....2....2....4....4....2....1....1....3....1....4

..4....3....3....4....1....4....0....1....1....2....4....3....3....2....1....0

..1....4....1....2....3....4....4....3....3....1....0....0....2....0....0....2

..4....4....3....2....2....4....4....0....4....3....2....2....3....3....3....0

交叉参考

上下文中的序列：A001708号 A016255号 A322052型*A291256型 A250015型 A344197型

相邻序列：A250011型 A250012型 A250013型*A250015型 A250016型 A250017型

关键词

非n,表

作者

R.H.哈丁2014年11月10日

状态

经核准的