Determine Whether the Given Series Is Convergent or Divergent $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { 25 n ^ { 2 } - 16 }$

Determine whether the given series is convergent or divergent. $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { 25 n ^ { 2 } - 16 }$