三角形开始:
1;
1, 2;
1, 6, 5;
1, 14, 28, 14;
1, 30, 110, 120, 42;
1, 62, 375, 682, 495, 132;
1, 126, 1190, 3248, 3731, 2002, 429;
1, 254, 3628, 14062, 23020, 18928, 8008, 1430;
1, 510, 10805, 57516, 127029, 144024, 91392, 31824, 4862;
1, 1022, 31740, 227030, 654395, 968544, 828495, 426360, 125970, 16796;
...