2: 0.502271353194 3: 0.661796013624 4: 0.678633909137 7: 0.761270657441 12: 0.771608191304 19: 0.781297653383 27: 0.782305435548 34: 0.784271495056 35: 0.788128326370 36: 0.793886495203 37: 0.797305288252 2 3 4 7 12 19 27 34 35 36 37 Fit of radii by a power law r = a0*n^a1: a0 = 0.73275 a1 = -0.45783