MathDB
Arithmetic progression

Source: ChInese TST 2009 P6

April 3, 2009
algebra proposedalgebranumber theorycombinatoricsAdditive combinatorics

Problem Statement

Determine whether there exists an arithimethical progression consisting of 40 terms and each of whose terms can be written in the form 2^m \plus{} 3^n or not. where m,n m,n are nonnegative integers.