Suppose $a_1, a_2, a_3, \dots$ is an increasing arithmetic progression of positive integers. Given that $a_3 = 13$, compute the maximum possible value of $a_{a_1} + a_{a_2} + a_{a_3} + a_{a_4} + a_{a_5}$.

Let's think step by step and output the final answer within \boxed{}.
user