In all of the mathematical textbooks (I've seen) the following two functions are defined like this;-
f(n) = f(n-1) + f(n-2)
Where f(0) = 1, f(1) = 1
f(n) = n * f(n-1)
Where f(0) = 1...
In the C# Programmers Topics PsychoCoder started this thread
and it reminded be of my attempt to achieve this effect a few months back.
Here's what I came up with.