Better than the 3n+1 game[1]. That one can really get you. [1] https://www.quantamagazine.org/why-mathematicians-still-cant-solve-the-collatz-conjecture-202009

Better than the 3n+1 game[1]. That one can really get you. [1] https://www.quantamagazine.org/why-mathematicians-still-cant-solve-the-collatz-conjecture-20200922/ https://www.quantamagazine.org/why-mathematicians-still-cant...