In the sequence 1, 2, 2, …, an, …, an = an-1 • an-2.

In the sequence 1, 2, 2, , a_n, , a_n = a_{n-1}* a_{n-2}. The value of a_{13} is how many times the value of a_{11}?

(A) 2
(B) 2^3
(C) 2^32
(D) 2^64
(E) 2^89

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Source: Veritas Prep; Book 04
Chapter: Homework
Topic: Algebra
Question: 93
Question: Page 226
Solution: PDF Page 17 of 18
Edition: Third

My Question: Please provide an explanation on how to arrive at the answer.