Sounds a bit like proving there are no cycles in the 3n+1 equation. https://en.m.wikipedia.org/wiki/Collatz_conjecture https://en.m.wikipedia.org/wiki/Collatz_c

Sounds a bit like proving there are no cycles in the 3n+1 equation. https://en.m.wikipedia.org/wiki/Collatz_conjecture https://en.m.wikipedia.org/wiki/Collatz_conjecture. Veritasium has a good video about it.