作为三角形：
{ 0},
{ 1, 1},
{ 2, 4, 2},
{ 3, 7, 7, 3},
{ 4, 10, 12, 10, 4},
{ 5, 13, 17, 17, 13, 5},
{ 6, 16, 22, 24, 22, 16, 6},
{ 7, 19, 27, 31, 31, 27, 19, 7},
{ 8, 22, 32, 38, 40, 38, 32, 22, 8},
{ 9, 25, 37, 45, 49, 49, 45, 37, 25, 9},
{10, 28, 42, 52, 58, 60, 58, 52, 42, 28, 10}
方阵A（n，m）开始：
0, 1, 2, 3, 4, 5, 6, 7, ...
1, 4, 7, 10, 13, 16, 19, 22, ...
2, 7, 12, 17, 22, 27, 32, 37, ...
3, 10, 17, 24, 31, 38, 45, 52, ...
4, 13, 22, 31, 40, 49, 58, 67, ...
5, 16, 27, 38, 49, 60, 71, 82, ...
6, 19, 32, 45, 58, 71, 84, 97, ...
...
（结束）
