  In [K--S 1] it was shown that
  $$ \underset {\pi} \to {\text{Ave}} (\sum_{i=1}^{n}|x_i a_{\pi(i)}|^2)^{\frac
{1}{2}} $$
  is equivalent to an Orlicz norm whose Orlicz function is 2-concave. Here we
give a formula for the sequence $a_1, a_2,....,a_n$ so that the above
expression is equivalent to a given Orlicz norm.
