n = a^2 + b^3 + c^3 + d^5
Source: 2020 Grand Duchy of Lithuania, Mathematical Contest p4 (Baltic Way TST)
October 3, 2020
number theory
Problem Statement
We shall call an integer n cute if it can be written in the form ,
where and are integers.
a) Determine if the number is cute.
b) Find all cute integers