If $$a_n = \frac{-2}{4n^2 - 16n + 15}$$, then $$a_1 + a_2 + \ldots + a_{25}$$ is equal to:

A

$$\frac{51}{144}$$

B

$$\frac{49}{138}$$

C

$$\frac{50}{141}$$

D

$$\frac{52}{147}$$