\code{exact.results} \tab Whether the optimal sample size \code{n} returned was obtained from exact calculations or simulation.\cr

This function returns a list consisting of the parameters listed below.
\tabular{rl}{
  \code{n} \tab Optimal sample size.\cr
  \code{n.visited} \tab The list of visited sample sizes along the march towards optimal sample size.\cr
  \code{outcome} \tab The (estimated) outcome obtained for each visited sample size.\cr
  (other) \tab Function arguments as given at the function call.
}