SOLUTION: The sequence is defined recursively. Write the first four terms a1 = 3; an = 3an-1 + 4

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Question 374209: The sequence is defined recursively. Write the first four terms
a1 = 3; an = 3an-1 + 4
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
a1 = 3,
a2 = 3*3 + 4 = 13.
a3 = 3*13+ 4 = 43,
a4 = 3*43 + 4 = 133...