三角形开始:
1;
1, 1;
1, 4, 1;
1, 11, 11, 1;
1, 26, 62, 26, 1;
1, 57, 274, 274, 57, 1;
1, 120, 1063, 2024, 1063, 120, 1;
1, 247, 3805, 12411, 12411, 3805, 247, 1;
1, 502, 12916, 67882, 113414, 67882, 12916, 502, 1;
1, 1013, 42284, 343700, 891930, 891930, 343700, 42284, 1013, 1;
1, 2036, 134981, 1646808, 6339786, 9718184, 6339786, 1646808, 134981, 2036, 1; ...