A247989-OEIS公司

A247989型

长度n+5 0..2个数组的数量，在任意连续六项中没有不相交的三元组，且总和相同

396, 702, 1264, 2314, 4308, 8150, 15640, 30620, 60192, 118756, 235048, 466476, 927792, 1850424, 3692608, 7372360, 14725200, 29421656, 58802272, 117563504, 235061376, 470020240, 939884704, 1879539888, 3758751936, 7517176032 (列表；图表；参考；听；历史；文本；内部格式)

	抵消	`1,1`
	评论	`第2列，共列A247995型`
	链接	`R.H.哈丁，n=1..210时的n，a（n）表`
	配方奶粉	`经验：a（n）=2a（n-1）+10a（n-6）-20*a`
	例子	`n=6的一些解` `..1....2....2....2....2....2....0....2....0....0....2....0....1....2....0....2` `..0....2....1....0....0....1....2....0....2....0....0....0....0....0....2....1` `..2....2....2....0....2....2....2....2....2....0....0....1....2....0....2....1` `..0....2....2....0....2....2....0....0....0....2....1....2....2....2....0....0` `..2....1....0....2....1....0....0....2....2....1....2....0....2....0....1....2` `..2....0....2....2....0....0....1....1....0....2....0....2....2....2....0....1` `..1....2....2....1....2....2....2....2....0....2....2....0....2....1....0....0` `..0....0....1....2....0....0....0....0....1....2....0....2....1....0....2....1` `..2....2....0....2....2....2....0....0....0....2....2....0....0....2....2....1` `..0....2....2....2....2....1....2....2....0....0....1....1....2....2....0....0` `..2....1....0....0....0....2....2....0....0....1....2....0....2....0....2....2`
	交叉参考	`上下文中的序列：A278269型 2006年2月 A230450型A126078号 A275171型 A028299号` `相邻序列：A247986型 A247987型 A247988型A247990型 A247991型 A247992型`
	关键字	`非n`
	作者	`R.H.哈丁2014年9月28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5月8日07:09。包含372319个序列。（在oeis4上运行。）