登录
OEIS由OEIS基金会的许多慷慨捐赠者.

 


A209216号
每个元素值为z的nX1 0..7数组的数量与另一个元素值z的城市街区距离正好为z
1
1, 2, 5, 12, 33, 99, 319, 1079, 3555, 11300, 35863, 111731, 352219, 1103216, 3517983, 11225970, 35689268, 113349420, 359442201, 1137949882, 3593078597, 11345200954, 35855116040, 113443380209, 358576231579, 1134002435072, 3586987559568
抵消
1,2
评论
第1列,共列A209218型
链接
例子
n=8的一些解
..2....0....3....4....0....1....5....2....5....3....1....0....3....0....0....7
..3....4....3....0....3....1....3....2....5....1....1....0....0....4....2....0
..2....2....0....1....1....0....0....2....1....1....1....0....2....2....2....0
..0....0....3....1....1....0....3....2....1....3....0....4....3....3....2....0
..3....2....3....4....3....3....3....0....1....1....1....0....2....2....2....0
..1....4....2....1....0....1....5....2....5....1....1....0....0....4....1....1
..1....2....0....1....1....1....3....0....5....0....1....0....1....3....1....1
..3....0....2....0....1....3....0....2....0....0....0....4....1....0....1....7
关键词
非n
作者
R.H.哈丁2012年3月6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|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|维护人员OEIS基金会。

许可协议、使用条款、隐私政策。.

上次修改时间:2024年9月20日08:53 EDT。包含376067个序列。(在oeis4上运行。)