User:ABELIAN

An intermittent player of GemStone, with a majority of their play concentrated shortly after the de-ICEing.

Math Scratch

$${\biggr \lfloor }{\frac {(x-2)^{2}}{9}}{\biggr \rfloor }+{\begin{cases}x/2,&{\text{if }}x{\text{ is even}}\\3x+1,&{\text{if }}x{\text{ is odd}}\end{cases}}$$