Can recursion be removed from this function? [closed]

Can recursion be removed from this function? [closed]

References

Reference NO 1

http://stackoverflow.com/questions/13583580/can-recursion-be-removed-from-this-function

Reference NO 2

http://www.autoitscript.com/wiki/Recursion

Reference NO 3

http://www.sparknotes.com/cs/recursion/whatisrecursion/section1.rhtml

Reference NO 4

http://www.cse.unr.edu/~bebis/CS308/PowerPoint/Recursion.ppt

Reference NO 5

http://clojure.org/functional_programming

Reference NO 6

http://www-cs-faculty.stanford.edu/~eroberts/courses/cs106b/chapters/05-intro-to-recursion.pdf

Reference NO 7

http://www.cs.illinois.edu/class/fa10/cs573/notes/99-recurrences.pdf

Reference NO 8

http://introcs.cs.princeton.edu/23recursion