MathDB
17^n +9^{n^2} = 23^n +3^{n^2} 2014 Romania NMO VII p3

Source:

August 15, 2024
number theory

Problem Statement

Find all positive integers nn so that 17n+9n2=23n+3n2.17^n +9^{n^2} = 23^n +3^{n^2} .