MathDB
Different Values of Function

Source:

January 5, 2007
functionalgorithm

Problem Statement

Given a function ff for which f(x)=f(398x)=f(2158x)=f(3214x)f(x)=f(398-x)=f(2158-x)=f(3214-x) holds for all real x,x, what is the largest number of different values that can appear in the list f(0),f(1),f(2),,f(999)?f(0),f(1),f(2),\ldots,f(999)?