A Recursion Formula and the Initial Term(s) of a Sequence $$a _ { 1 } = 1 , a _ { 2 } = 4 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

Multiple Choice

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.
- $$a _ { 1 } = 1 , a _ { 2 } = 4 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

A) $1,4,5,9,14$
B) $1,4,5,6,7$
C) $1,4,5,10,15$
D) $1,1,2,3,5$