MathDB
MAA messed up the order(n)

Source: 2017 USAJMO #1/USAMO #1

April 19, 2017
number theoryUSAJMOUSAMO2017 USAMOHi

Problem Statement

Prove that there are infinitely many distinct pairs (a,b)(a, b) of relatively prime integers a>1a>1 and b>1b>1 such that ab+baa^b+b^a is divisible by a+ba+b.