Difference between revisions of "1990 IMO Problems/Problem 3"

(Created page with "3. Determine all integers <math>n\textgreater1</math> such that <math>\frac{2^n+1}{n^2}</math> is an integer.")
(No difference)

Revision as of 05:47, 5 July 2016

3. Determine all integers $n\textgreater1$ such that $\frac{2^n+1}{n^2}$ is an integer.