To potential helpers : please read this post : "http://www.mathhelpforum.com/math-help/number-theory/93501-facto-sum.html "
before potentially losing your time answering this guy's questions.
To potential helpers : please read this post : "http://www.mathhelpforum.com/math-help/number-theory/93501-facto-sum.html "
before potentially losing your time answering this guy's questions.