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al, a2, a3, a4, as, …., anIn the sequence of positive integers above, al = a2 = 1, a3 = 2, a4 = 3, and as = 5. If each term after the second is obtained by adding the two terms that come before it and if an = 55, what is the value of n?

发布日期:2021-09-22

al, a2, a3, a4, as, …., anIn the sequence of posit...
A

12

B

10

C

9

D

8

E

5

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