Answer
36, 49
Work Step by Step
$\underset{+3}{\underset\Rightarrow{1}}, \underset{+5}{\underset\Rightarrow{4}},\underset{+7}{\underset\Rightarrow{9}}, \underset{+9}{\underset\Rightarrow{16}},\underset{+11}{\underset\Rightarrow{25}}, \underset{+13}{\underset\Rightarrow{36}}, 49$, . . .