created: 01/01/2003; revised: 07/22/2006, 07/05/2009, 01/16/2011, 09/05/2013
This chapter contains additional examples of recursion. Most of this chapter is advanced material that may be safely deferred until later. But going through it now will re-enforce your understanding of recursion.
How many sides does the base of a three-sided pyramid have?