三角形开始:
1;
1, 0;
1, -1, 1;
1, -2, 2, 0;
1, -3, 4, -2, 1;
1, -4, 7, -6, 3, 0;
1, -5, 11, -13, 9, -3, 1;
1, -6, 16, -24, 22, -12, 4, 0;
1, -7, 22, -40, 46, -34, 16, -4, 1;
1, -8, 29, -62, 86, -80, 50, -20, 5, 0;
1, -9, 37, -91, 148, -166, 130, -70, 25, -5, 1;
1, -10, 46, -128, 239, -314, 296, -200, 95, -30, 6, 0;
...