i have a quiz correction to make and i dont understand the question, please help?

Puchinguis

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QUIZ CORRECTION / multiple choice!!

Find the 4th term of the recursive sequence a(n)= 3an-1 +2
Where a1= 4

A) 50
B) 152
C) 458
D) 12
E) NONE OF THESE

*(the "n' is under the "a" in smaller print)*

I can't get the answer so im guessing its because its E?
Maybe?
 
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