Use Factorial Notation
- $$a _ { n } = 3 ( n + 2 ) !$$

Multiple Choice

Use Factorial Notation
- $$a _ { n } = 3 ( n + 2 ) !$$

A) $18,72,360,2160$
B) $18,144,1080,8640$
C) $6,36,216,1440$
D) $6,18,72,360$