1: 0.392699081699
    2: 0.785398163397
   26: 0.798772658174
   40: 0.806959622831
   41: 0.810727892311
   42: 0.820295294550
   43: 0.834126096657
   60: 0.835227161250
   81: 0.841400081256
   84: 0.846328282302
  107: 0.846793521974
  108: 0.853942418075
  137: 0.854113403474
  139: 0.854725193636
  140: 0.859781858381
  169: 0.860584048663
  170: 0.865299874763
  204: 0.865463301780
  244: 0.866505829143
  245: 0.869534726797
  246: 0.872908085088

1 2 26 40 41 42 43 60 81 84 107 108 137 139 140 169 170 204 244 245 246

Fit of radii by a power law r = a0*n^a1:
  a0 = 0.31451  a1 = -0.46995