|
| |
|
| A196979号 |
| nX5 0..4数组的数量，其中每个元素x等于其水平和垂直邻接数等于3,2,1,0,4，x=0,1,2,3,4 |
|
1
|
|
|
|
4, 104, 1422, 19580, 272332, 3795662, 53216978, 741538796, 10335576740, 144324460038, 2014312044979, 28101431225812, 392129201954237, 5472231735063254, 76359651510217964, 1065515249428296294
(列表；图表；参考文献；听；历史；文本；内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
每0紧挨着0 3，每1紧挨着1 2，每2紧挨着2 1，每3紧挨着3 0，每4紧挨着4 4
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
..2..1..0..1..2....1..2..0..0..0....2..1..0..1..2....1..2..0..0..0
..1..1..2..1..1....0..1..1..2..1....1..0..0..0..1....0..1..0..0..1
..0..0..0..0..0....1..0..0..0..0....1..2..1..0..0....1..0..0..0..2
..0..1..2..1..0..2..1..1..2...0...0...0...0...0...2...0...0...0...0...0...0...1
|
|
|
交叉参考
|
|
|
|
关键字
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
