2: 0.500000000000
    3: 0.646170927520
    4: 0.686291501015
    7: 0.777777777778
   19: 0.803192144613
   37: 0.809965137798
   55: 0.815754986312
   85: 0.822935027521
  121: 0.823068502667
  147: 0.823933512175
  148: 0.825846102371
  150: 0.827845142439
  151: 0.831462370607
  187: 0.832319560777
  188: 0.832361701333
  190: 0.832899427780
  191: 0.833002636394
  192: 0.834377157042
  193: 0.835421942114
  198: 0.835975238338
  199: 0.838849697818
  235: 0.841358492877
  241: 0.842305665696
  264: 0.842538925129
  267: 0.842947500565
  269: 0.843070594794
  270: 0.843870586293
  291: 0.844217519040
  292: 0.844542458952
  293: 0.844847259989
  294: 0.845777960753
  295: 0.847659397823
  301: 0.847705564076
  343: 0.847870594401
  345: 0.847962008058
  346: 0.848420496805
  347: 0.848507301109
  348: 0.849886869683
  349: 0.851812405149
  408: 0.852613515530
  409: 0.853682152403
  411: 0.853968148167
  412: 0.854333962459
  414: 0.854938451928
  415: 0.856190078850
  419: 0.856438868990
  420: 0.857190130180
  421: 0.858893468077
  481: 0.860286060515
  498: 0.860667373695
  499: 0.861960792758
  564: 0.862385491519
  565: 0.863753418546
  649: 0.864050116659
  689: 0.864081127554
  690: 0.864917302748
  721: 0.865161423341
  724: 0.865339662015
  727: 0.866687976990
  745: 0.866825529500
  783: 0.867157161906
  817: 0.867269874118
  823: 0.868079213894
  846: 0.868206740378
  847: 0.868934230854
  911: 0.869315998658
  912: 0.869765334458
  913: 0.870651033211
 1015: 0.870848499136
 1027: 0.871476463599
 1123: 0.871591005245
 1135: 0.873215497394
 1237: 0.873430751872
 1261: 0.874120929961
 1345: 0.875477516161
 1369: 0.875736468294
 1480: 0.875806376531
 1483: 0.876107334189
 1597: 0.877103287084
 1614: 0.877358297477
 1615: 0.877604753608
 1626: 0.877872807038
 1627: 0.878190173120
 1741: 0.878297886931
 1744: 0.878549966450
 1745: 0.878757825825
 1748: 0.878875101480
 1749: 0.878986139804
 1759: 0.879330902117
 1867: 0.879351944080
 1889: 0.879421316917
 1890: 0.879543665810
 1891: 0.880465948878
 2027: 0.880667285704
 2028: 0.881072521883
 2029: 0.881489725782
 2209: 0.881736902326
 2334: 0.882041539191
 2335: 0.882463001163
 2383: 0.882476439628
 2501: 0.882602943699
 2502: 0.882884401392
 2503: 0.883226376331
 2653: 0.883632385280
 2677: 0.883934648631
 2689: 0.884303459483
 3001: 0.884901681759
 3037: 0.885132428981
 3193: 0.885452662742
 3205: 0.885708329138
 3403: 0.886641448114
 3643: 0.886657483103
 3793: 0.887764101966
 4231: 0.887979326074
 4243: 0.888580337835
 4483: 0.888599743445

2 3 4 7 19 37 55 85 121 147 148 150 151 187 188 190 191 192 193 198 199 235 241 264 267 269 270 291 292 293 294 295 301 343 345 346 347 348 349 408 409 411 412 414 415 419 420 421 481 498 499 564 565 649 689 690 721 724 727 745 783 817 823 846 847 911 912 913 1015 1027 1123 1135 1237 1261 1345 1369 1480 1483 1597 1614 1615 1626 1627 1741 1744 1745 1748 1749 1759 1867 1889 1890 1891 2027 2028 2029 2209 2334 2335 2383 2501 2502 2503 2653 2677 2689 3001 3037 3193 3205 3403 3643 3793 4231 4243 4483

Fit of radii by a power law r = a0*n^a1:
  a0 = 0.84821  a1 = -0.48669