Tag Archives: 3n+1

Some Pictures of the 3n+1 Problem

The 3n+1 conjecture (a.k.a. the Collatz conjecture) is easy to state, unsolved, probably difficult to prove if true, and can provide us with some pretty pictures. I'm only going to state it and show some pretty pictures. First, what's this conjecture? It's about a simple algorithm: choose a positive integer $ n$. If $ n=1$, […]