三角形起点:
[0] 1
[1] 6, 3
[2] 25, 30, 12
[3] 90, 195, 180, 60
[4] 301, 1050, 1680, 1260, 360
[5] 966, 5103, 12600, 15960, 10080, 2520
[6] 3025, 23310, 83412, 158760, 166320, 90720, 20160
[7] 9330, 102315, 510300, 1369620, 2116800, 1890000, 907200, 181440