mu      U       O
0       0       3.285
1       0.051   5.323
2       0.355   6.686
3       0.818   8.102
4       1.366   9.598
5       1.970   11.177
6       2.613   12.817
7       3.285   13.765
8       3.285   14.921
9       4.460   16.768
10      5.323   17.633
11      5.323   19.050
12      6.686   20.335
13      6.686   21.364
14      8.102   22.945
15      8.102   23.762
16      9.598   25.400
17      9.598   26.306
18      11.177  27.735
19      11.177  28.966
20      12.817  30.017