MathForces: Math Olympiads
MathForces - Math Olympiadsβeta
Login Register

Almost squared numbers

Author: mathforces
Problem has been solved: 44 times

Русский язык | English Language

We call a natural number almost square if it can be represented in the form $ a ^ 2 + b ^ 2-c ^ 2 $ for some natural numbers $ a < b < c $. Find the number of natural almost square numbers less than 2020.

Sorry, you need to login into your account