登录
OEIS由OEIS基金会的许多慷慨捐赠者.

 


A296386型
T(n,k)=nXk 0..1阵列的数量,每个阵列的水平、垂直或反对角相邻1或2个相邻1s。
8
1, 2, 2, 4, 10, 4, 7, 28, 28, 7, 12, 86, 127, 86, 12, 21, 279, 641, 641, 279, 21, 37, 869, 3237, 5389, 3237, 869, 37, 65, 2728, 16248, 46786, 46786, 16248, 2728, 65, 114, 8596, 81661, 396806, 684894, 396806, 81661, 8596, 114, 200, 27004, 410199, 3372222
抵消
1,2
评论
表格开始
...1.....2.......4.........7..........12............21..............37
...2....10......28........86.........279...........869............2728
...4....28.....127.......641........3237.........16248...........81661
...7....86.....641......5389.......46786........396806.........3372222
..12...279....3237.....46786......684894.......9703136.......138882856
..21...869...16248....396806.....9703136.....229596763......5498685275
..37..2728...81661...3372222...138882856....5498685275....221204933878
..65..8596..410199..28724880..1988460073..131626644289...8887761158698
.114.27004.2061212.244493344.28434977556.3147315906687.356576134627608
链接
配方奶粉
k列的经验值:
k=1:a(n)=2*a(n-1)-a(n-2)+a(n-3)
k=2:a(n)=3*a(n-1)-a(n-2)+6*a
k=3:[顺序16]
k=4:[顺序40]
k=5:[顺序92]
例子
n=5k=4的一些解
..0..1..1..0. .0..0..0..0. .1..0..0..1. .0..1..0..1. .0..0..0..1
..0..0..0..0. .0..0..0..1. .1..1..0..1. .1..0..0..1. .0..1..1..0
..0..0..1..0. .0..0..0..1. .0..0..0..0. .1..1..0..0. .1..0..0..0
..0..1..0..1. .1..0..0..0. .0..1..1..0. .0..0..1..1. .1..0..0..0
..0..0..1..0. .1..1..0..0. .1..0..1..1. .0..0..0..0. .1..0..0..0
交叉参考
关键词
非n,
作者
R.H.哈丁2017年12月11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:美国东部夏令时2024年9月22日08:33。包含376097个序列。(在oeis4上运行。)