|
|
A214846号 |
| 平方数组T,由反对偶函数读取:如果n-k>=6,则T(n,k)=0;如果k-n>=6;如果0<=k<=5,则T。 |
|
5
|
|
|
1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 10, 10, 5, 1, 0, 6, 15, 20, 15, 6, 0, 0, 6, 21, 35, 35, 21, 6, 0, 0, 0, 27, 56, 70, 56, 27, 0, 0, 0, 0, 27, 83, 126, 126, 83, 27, 0, 0, 0, 0, 0, 110, 209, 252, 209, 110, 0, 0, 0, 0, 0, 0, 110, 319, 461, 461, 319, 110, 0, 0, 0, 0, 0, 0, 0, 429, 780, 922, 780, 429, 0, 0, 0, 0
(列表;桌子;图表;参考;听;历史;文本;内部格式)
|
|
|
抵消
|
0,5
|
|
评论
|
E.Lucas的算术六边形。
|
|
链接
|
E.卢卡斯,无名之地,《高蒂尔·维拉斯》,巴黎1891年,《托梅1》,第89页。
|
|
配方奶粉
|
|
|
例子
|
方形数组开始:
1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, ...
1, 2, 3, 4, 5, 6, 6, 0, 0, 0, 0, ...
1, 3, 6, 10, 15, 21, 27, 27, 0, 0, 0, ...
1, 4, 10, 20, 35, 56, 83, 110, 110, 0, 0, ...
1, 5, 15, 35, 70, 126, 209, 319, 429, 429, 0, ...
1, 6, 21, 56, 126, 252, 461, 780, 1209, 1638, 1638, ...
0, 6, 27, 83, 209, 461, 922, 1702, 2911, 4549, 6187, ...
0, 0, 27, 110, 319, 780, 1702, 3404, 6315, 10864, 17051, ...
...
|
|
交叉参考
|
|
|
关键词
|
|
|
作者
|
|
|
状态
|
经核准的
|
|
|
|