Pie, anyone?

Calculus Level 3

$\begin{aligned}\large 1+\frac{1}{4}+\frac{1}{9}+\frac{1}{16}+\ldots &=& \large \frac{π^2}{6} \\ \large 1+\frac{1}{9}+\frac{1}{25}+\frac{1}{49}+\ldots &=& \large \ ? \end{aligned}$