$\text{Let a general term of a series being defined as :}$
$a_{i+1} = 3 \cdot a_{i} + 5 , a_{i} = 2 \cdot k ,$
$a_{i+1} = 4 \cdot a_{i} , a_{i} = 2 \cdot k + 1$
Find the number of perfect squares in this infinite series if its given that $a_{0} = 1$ .
[[/math]]
PS: How to left align this thing?
Rohit: Is this what you wanted?