搜索: 编号:a134392
|
|
|
|
1, 2, 1, 4, 3, 1, 8, 7, 4, 1, 15, 14, 10, 5, 1, 26, 25, 20, 13, 6, 1, 42, 41, 35, 26, 16, 7, 1, 64, 63, 56, 45, 32, 19, 8, 1, 93, 92, 84, 71, 55, 38, 22, 9, 1, 130, 129, 120, 105, 86, 65, 44, 25, 10, 1, 176, 175, 165, 148, 126, 101, 75, 50, 28, 11, 1
(列表;桌子;图表;参考;听;历史;文本;内部格式)
|
|
|
抵消
|
1,2
|
|
评论
|
|
|
链接
|
|
|
公式
|
|
|
例子
|
三角形的前几行:
1;
2, 1;
4, 3, 1;
8, 7, 4, 1;
15, 14, 10, 5, 1;
26, 25, 20, 13, 6, 1;
42, 41, 35, 26, 16, 7, 1;
...
|
|
数学
|
行=11;
R[n_,k_]/;k<=n:=k(n-k)+1;R[0,0]=1;R[_,_]=0;
MR=表[R[n,k],{n,0,rows-1},{k,0,rouws-1}];
MB=表[Boole[0<=k<=n],{n,0,rows-1},{k,0,rouws-1}];
T=MR.MB;
|
|
交叉参考
|
|
|
关键字
|
|
|
作者
|
|
|
扩展
|
|
|
状态
|
经核准的
|
|
|
搜索在0.004秒内完成
|