1e6
60.0      0.00
70.0      1.23
80.0      8.35
90.0     22.56
100.0    45.40
110.0    82.91
120.0   146.79
130.0   245.70
140.0   400.85
150.0   655.17
160.0  1035.28
170.0  1597.15
180.0  2427.66