Needs a steward / erdos-51
Steward erdos-51
Is there an infinite set $A \subset \mathbb{N}$ such that for every $a \in A$, there is an integer n such that $\phi(n)=a$, and yet if $n_a$ is the smallest such integer, then $\frac{n_a}{a} → \infty$ as $a → ∞$?
What the role asks
- Understand what the network proves on this problem.
- Write it up, and sign the explainer of the proof that closes it.
- Best efforts, no deadline: step down at any time.