find n so that any 3 points of n are vertices of an isosceles triangle in plane
Source: Tuymaada 1995 p5
April 27, 2019
combinatorial geometryisoscelesIsosceles Trianglecombinatorics
Problem Statement
A set consisting of points of a plane is called an isosceles -point if any three of its points are located in vertices of an isosceles triangle. Find all natural the numbers for which there exist isosceles -points.