Description: Take any positive integer. If it is even, divide it by 2. If it is odd, multiply it by 3 and add 1. This produces a new positive integer. Repeat this process, producing a sequence of ...

The Collatz conjecture is also known as the “3n + 1” problem. It’s an easy problem to explain and check, and has been tested up into the nineteen figure range. But it’s only now that anyone has come ...