Find the Indicated Term for the Sequence Whose General Term $a _ { n } = 4 - n ^ { 2 } ; a _ { 7 }$

Find the indicated term for the sequence whose general term is given.
- $a _ { n } = 4 - n ^ { 2 } ; a _ { 7 }$

A) $- 45$
B) 45
C) $- 10$
D) 53