Y by ahmedosama, Davi-8191, Adventure10, DEKT, and 1 other user
Find all pairs
of nonnegative integers for which ![\[m^2 + 2 \cdot 3^n = m\left(2^{n+1} - 1\right).\]](//latex.artofproblemsolving.com/4/1/3/4133d1af365417fa5b6a8b2560dc80c1d28a6a18.png)
Proposed by Angelo Di Pasquale, Australia

![\[m^2 + 2 \cdot 3^n = m\left(2^{n+1} - 1\right).\]](http://latex.artofproblemsolving.com/4/1/3/4133d1af365417fa5b6a8b2560dc80c1d28a6a18.png)
Proposed by Angelo Di Pasquale, Australia
This post has been edited 1 time. Last edited by Amir Hossein, Jul 17, 2011, 2:48 AM