0     -10 -0.9154
       1      -9  -0.508
       2      -8  0.3053
       3      -7 -0.1256
       4      -6  0.8688
       5      -5 -0.3652
       6      -4  0.7889
       7      -3 0.08034
       8      -2 -0.2106
       9      -1 0.07343
      10       0   1.977
      11       1  0.5222
      12       2  0.6666
      13       3    2.18
      14       4   2.922
      15       5   2.823
      16       6   4.383
      17       7   4.869
      18       8   7.956
      19       9   9.527
      20      10   12.93