1: 0.471238898038
    2: 0.666477445975
    5: 0.686277419104
    6: 0.734065839761
   11: 0.740542166139
   12: 0.761480459868
   15: 0.785398163397
   22: 0.799943679542
   33: 0.804579044121
   35: 0.817209363799
   51: 0.825024570226
   66: 0.825572408876
   67: 0.835710817147
   88: 0.841473931980
   93: 0.845394092744
  112: 0.847515158528
  113: 0.854045593638
  140: 0.857684571168
  170: 0.861472524052
  171: 0.866151200365
  204: 0.868668705469
  240: 0.870282035632
  241: 0.873873451864

1 2 5 6 11 12 15 22 33 35 51 66 67 88 93 112 113 140 170 171 204 240 241

Fit of radii by a power law r = a0*n^a1:
  a0 = 0.34722  a1 = -0.47159