三角形开头为:
2;
23, 23;
2, 1054, 2;
2, 12165, 12165, 2;
2, 13133, 533412, 13133, 2;
2, 14101, 6422240, 6422240, 14101, 2;
2, 15069, 12779580, 270482476, 12779580, 15069, 2;
2, 16037, 19605432, 3385203976, 3385203976, 19605432, 16037, 2;
2, 17005, 26899796, 9577346548, 137413443860, 9577346548, 26899796, 17005, 2;