三角形的前几行=
1;
0, 1;
2, 0, 1;
0, 2, 0, 1;
3, 0, 2, 0, 1;
0, 3, 0, 2, 0, 1;
4, 0, 3, 0, 2, 0, 1;
0, 4, 0, 3, 0, 2, 0, 1;
5, 0, 4, 0, 3, 0, 2, 0, 1;
0, 5, 0, 4, 0, 3, 0, 2, 0, 1;
6, 0, 5, 0, 4, 0, 3, 0, 2, 0, 1;
0, 6, 0, 5, 0, 4, 0, 3, 0, 2, 0, 1;
7, 0, 6, 0, 5, 0, 4, 0, 3, 0, 2, 0, 1;
...
反向数组开始
1;
0, 1;
-2, 0, 1;
0, -2, 0, 1;
1, 0, -2, 0, 1;
0, 1, 0, -2, 0, 1;
0, 0, 1, 0, -2, 0, 1;
0, 0, 0, 1, 0, -2, 0, 1;
0, 0, 0, 0, 1, 0, -2, 0, 1;