OMM 2003 Problem 6
Given a positive integer , an allowed move is to form or . The set is the set of all numbers that can be obtained by a sequence of allowed moves starting with . For example, we can form so and belong to . We call and compatible if and has a common element. Which members of are compatible with ?
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.