MathDB
Find least positive integer not representable in a form.

Source:

July 23, 2012
number theory proposednumber theory

Problem Statement

Find the least positive integer that cannot be represented as 2a−2b2c−2d\frac{2^a-2^b}{2^c-2^d} for some positive integers a,b,c,da, b, c, d.
Back to ProblemsView on AoPS