google-deepmind / google-deepmind/formal-conjectures
Erdős Problem 411
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ams-11: Number theory
erdos-problems
new conjecture
- Dominant language
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Description
### What is the conjecture
https://www.erdosproblems.com/411
Let $g_1=g(n)=n+\phi(n)$ and $g_k(n)=g(g_{k-1}(n))$. For which $n$ and $r$ is it true that $g_{k+r}(n)=2g_k(n)$ for all large $k$?
Status: open
### Choose either option
- [ ] I plan on working on this conjecture
- [x] This issue is up for grabs: I would like to see this conjecture added by somebody else
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Assessment
This issue has not been assessed yet.