{"schema":"vela.problem-packet.v0.1","problem":943,"statement":"Let $A$ be the set of powerful numbers (if $p\\mid n$ then $p^2\\mid n$). Is it true that\\[1_A\\ast 1_A(n)=n^{o(1)}\\]for every $n$?","status":"open","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}