登录
OEIS由OEIS基金会的许多慷慨捐赠者.

 


A221408型
T(n,k)=每个元素保持静止或移动到某个水平或垂直相邻元素后的nXk占用数组数,每个占用等于0或2
5
0, 2, 2, 0, 6, 0, 4, 16, 16, 4, 0, 44, 0, 44, 0, 8, 120, 436, 436, 120, 8, 0, 328, 0, 4518, 0, 328, 0, 16, 896, 12668, 47156, 47156, 12668, 896, 16, 0, 2448, 0, 492102, 0, 492102, 0, 2448, 0, 32, 6688, 368268, 5133044, 18852560, 18852560, 5133044, 368268, 6688, 32
抵消
1, 2
评论
表格开始
..0.....2........0.........4..........0...........8...........0............16
..2.....6.......16........44........120.........328.........896..........2448
..0....16........0.......436..........0.......12668...........0........368268
..4....44......436......4518......47156......492102.....5133044......53529806
..0...120........0.....47156..........0....18852560...........0....7505597654
..8...328....12668....492102...18852560...722442370.27665242848.1058237377670
..0...896........0...5133044..........0.27665242848
.16..2448...368268..53529806.7505597654
..0..6688........0.558164472
.32.18272.10705360
..0.49920
.64
链接
例子
n=3k=4的一些解
..2..2..0..2....2..0..2..0....2..0..2..2....2..0..2..0....0..2..2..0
..0..0..0..0....0..2..2..0....0..0..2..0....2..2..2..0....2..0..0..0
..2..2..2..0....2..0..0..2....0..2..2..0....0..0..2..0....2..2..0..2
关键词
非n,
作者
R.H.哈丁2013年1月15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23日14:19 EDT。包含376178个序列。(在oeis4上运行。)