In this problem you need to make a triangle ,just like the sample out. The element in the ith row and jth column
should be the product(乘积) of i and j.
3 5 6 7
1 2 3 4 5 2 4 6 8 3 6 9 4 8 5 1 2 3 4 5 6 2 4 6 8 10 3 6 9 12 4 8 12 5 10 6 1 2 3 4 5 6 7 2 4 6 8 10 12 3 6 9 12 15 4 8 12 16 5 10 15 6 12 7
无
Minary