5: 0.744257158931
    6: 0.747776845713
    7: 0.766911884377
    8: 0.786951170529
    9: 0.801421656551
   11: 0.811409919523
   12: 0.816245289797
   13: 0.823408986604
   14: 0.829187198386
   15: 0.835638555906
   16: 0.841319719782
   17: 0.846916767441
   18: 0.849691107901
   19: 0.850827285609
   20: 0.854892535313
   21: 0.857084190404
   22: 0.863051022602
   23: 0.863329556916
   24: 0.864122627550
   25: 0.867337533092
   26: 0.868201571904
   27: 0.871451642173
   28: 0.872576891457
   29: 0.874786903436
   30: 0.875416447171
   31: 0.876461515337
   32: 0.876918932625
   33: 0.879075430314
   34: 0.880280897607
   35: 0.880717611985
   37: 0.881444714186
   38: 0.883033976318
   40: 0.883977710556
   41: 0.885059560770
   42: 0.886141990686
   44: 0.886176958757
   45: 0.886793963445
   46: 0.887653455983
   47: 0.888885695194
   49: 0.889063760923
   50: 0.891011100754
   78: 0.891227412967
   79: 0.892892087840
   80: 0.893643733597
   81: 0.894609452607
   83: 0.894621225528
   85: 0.895432278951

5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 37 38 40 41 42 44 45 46 47 49 50 78 79 80 81 83 85

Fit of radii by a power law r = a0*n^a1:
  a0 = 0.66626  a1 = -0.10397