# Math Help - simple but hard

1. ## simple but hard

Determine all integers n > 1 such that
(2^n) + 1/n^2
is an integer.

2. ## Re: simple but hard

The way you have written it seems a little unclear. Do you mean $\frac{\left ( 2^{n}+1 \right )}{n^{2}}$

3. ## Re: simple but hard

yes that one.