Utilities for generating and collecting statistics on random trees.
Generate a random outline.
depths k n seed: generate n random trees of k nodes using the given seed
and collect statistics on their depths
> depths 10 10 0
[(2,1),(3,2),(4,3),(5,2),(8,2)] -- one tree of depth two, two trees of depth three, etc.
> depths 10 10 1
[(2,1),(3,1),(4,3),(5,2),(7,1),(8,2)]
> depths 10 10 2
[(2,1),(3,2),(4,3),(5,2),(7,1),(8,1)]
Generate a random rose tree with the given number nodes and with given seed.