The Series $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n } } { ( 6 n + 3 ) ! }$

True/False

The series $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n } } { ( 6 n + 3 ) ! }$ converges