三角形的前几行=
1;
0, 1;
2, 0, 1;
0, 2, 0, 1;
4, 0, 2, 0, 1;
0, 4, 0, 2, 0, 1;
8, 0, 4, 0, 2, 0, 1;
0, 8, 0, 4, 0, 2, 0, 1;
16, 0, 8, 0, 4, 0, 2, 0, 1;
0, 16, 0, 8, 0, 4, 0, 2, 0, 1;
32, 0, 16, 0, 8, 0, 4, 0, 2, 0, 1;
0, 32, 0, 16, 0, 8, 0, 4, 0, 2, 0, 1;
...
反向数组开始
1;
0, 1;
-2, 0, 1;
0, -2, 0, 1;
0, 0, -2, 0, 1;
0, 0, 0, -2, 0, 1;
0, 0, 0, 0, -2, 0, 1;
0, 0, 0, 0, 0, -2, 0, 1;
0, 0, 0, 0, 0, 0, -2, 0, 1;