A243033-OEIS公司

A243033型

T（n，k）=长度n+3 0..k个数组的数量，一行中没有四个元素，模式为abba（可能为a=b），新值为0..k，以0..k的顺序引入

6, 12, 9, 13, 32, 13, 13, 42, 85, 19, 13, 43, 147, 226, 28, 13, 43, 162, 536, 601, 41, 13, 43, 163, 672, 1987, 1598, 60, 13, 43, 163, 693, 2962, 7414, 4249, 88, 13, 43, 163, 694, 3223, 13540, 27736, 11298, 129, 13, 43, 163, 694, 3251, 16060, 63221, 103868, 30041, 189

(列表;桌子;图表;参考文献;听;历史;文本;内部格式)

抵消

1,1

表格开始

...6....12......13......13.......13.......13.......13.......13.......13

...9....32......42......43.......43.......43.......43.......43.......43

..13....85.....147.....162......163......163......163......163......163

..19...226.....536.....672......693......694......694......694......694

..28...601....1987....2962.....3223.....3251.....3252.....3252.....3252

..41..1598....7414...13540....16060....16516....16552....16553....16553

..60..4249...27736...63221....84207....89891....90634....90679....90680

..88.11298..103868..298775...457676...517995...529587...530734...530789

.129.30041..389129.1421589..2549156..3124633..3276946..3298816..3300512

.189.79878.1458054.6789700.14430921.19526936.21309360.21657357.21696132

链接

R.H.哈丁，n=1..6280时的n，a（n）表

公式

第k列的经验值：

k=1:a（n）=a（n-1）+a（n-3）

k=2:a（n）=2*a（n-1）+a（n-2）+2*a（n-3）

k=3:a（n）=4*a（n-1）-a（n-2）+2*a

k=4:[顺序9]

k=5:[顺序12]

k=6:[顺序15]

k=7:[订单18]

例子

n=3k=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....1....0....0....1....0....1....1....0....1

..2....0....2....1....0....2....0....2....1....1....2....1....1....2....1....0

..0....1....1....1....0....0....1....0....2....0....0....1....2....1....2....2

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

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

交叉参考

第1列是A000930号（n+5）

上下文中的序列：A292680型 A028320美元 A119437号*A242549型 A315777型 A372453型

相邻序列：A243030型 A243031型 A243032型*A243034型 243035英镑 A243036型

关键词

非n,表

作者

R.H.哈丁2014年5月29日

状态

经核准的