A249889-OEIS公司

A249889型

长度为6+6 0..n的数组的数量，其中没有七个连续项，任何三个项的最大值等于其余四个项的最小值

35, 12053, 785512, 19280050, 251933535, 2134932975, 13234666552, 64864288932, 264892845123, 935317626473, 2933310313328, 8337179912854, 21810111432655, 53153742532419, 121854226946064, 264833970134344, 549186726272259

(列表;图表;参考;听;历史;文本;内部格式)

抵消

1,1

第6行，共行A249883型

链接

R.H.哈丁，n=1..27时的n，a（n）表

配方奶粉

经验：a（n）=n^12-（1129/770）*n^11+（13667/1575）*n*10-

例子

n=2的一些解

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

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

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

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

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

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

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

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

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

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

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

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

交叉参考

上下文中的序列：A316940型 A202066型 A271071型*A030261号 A345675型 A007102号

相邻序列：A249886型 A249887型 A249888型*A249890型 A249891型 A249892型

关键字

非n

作者

R.H.哈丁2014年11月7日

状态

经核准的