三角形的前几行是:
1;
2, 2;
3, 4, 4;
4, 6, 8, 8;
5, 8, 12, 16, 16;
6, 10, 16, 24, 32, 32;
7, 12, 20, 32, 48, 64, 64;
...
作为方形数组,显示左上角:
1, 2, 3, 4, 5, 6, 7, ...
2, 4, 6, 8, 10, 12, 14, ...
4, 8, 12, 16, 20, 24, 28, ...
8, 16, 24, 32, 40, 48, 56, ...
16, 32, 48, 64, 80, 96, 112, ...
32, 64, 96, 128, 160, 192, 224, ...
...
(结束)