MathDB
Regional Olympiad - FBH 2017 Grade 9 Problem 2

Source: Regional Olympiad - Federation of Bosnia and Herzegovina 2017

September 19, 2018
Perfect Squarearrangingcombinatoricsnumber theory

Problem Statement

Prove that numbers 1,2,...,161,2,...,16 can be divided in sequence such that sum of any two neighboring numbers is perfect square