1970 AHSME Problems/Problem 16

Problem

If $F(n)$ is a function such that $F(1)=F(2)=F(3)=1$ , and such that $F(n+1)= \frac{F(n)\cdot F(n-1)+1}{F(n-2)}$ for $n\ge 3,$ then $F(6)=$

$\text{(A) } 2\quad \text{(B) } 3\quad \text{(C) } 7\quad \text{(D) } 11\quad \text{(E) } 26$

$\fbox{C}$

1970 AHSME (Problems • Answer Key • Resources)
Preceded by Problem 15	Followed by Problem 17
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