3 21j16 ":"1] 3 4 5 6 7 8 20 30 50 100 ([,.{) (,vn)^:100(2 _4)
  3   9.3783783783783861
  4   7.8011527377522611
  5   7.1544144809765555
  6   6.8067847369419638
  7   6.5926327689743687
  8   6.4494659378910058
 20  99.9934721906444960
 30 100.0000000000000000
 50 100.0000000000000000
100 100.0000000000000000