Given f(n)=f(n−1)+f(n−2)f(n) = f(n-1) + f(n-2)f(n)=f(n−1)+f(n−2) with f(0)=0,f(1)=1f(0)=0, f(1)=1f(0)=0,f(1)=1, what is the value of f(6)f(6)f(6)?
555
888
131313
212121