Input a number above 0.
3x-1 is a conjecture that follows the rules of multiplying odd numbers by 3 and subtracting 1 and dividing even numbers by 2. It will always end in a 2, 1 loop, 5, 14, 7, 20, 10 loop, or a 17 (17n) loop. The 17n part indicates that there are a total of 17 other numbers in the loop. 17 happens to be the reiterative of the loop.
