{"schema":"vela.problem-packet.v0.1","problem":941,"statement":"Are all large integers the sum of at most three powerful numbers (i.e. if $p\\mid n$ then $p^2\\mid n$)?","status":"solved","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[{"id":"A056828","name":"Numbers that are not the sum of at most three powerful numbers (A001694).","terms":"7,15,23,87,111,119","url":"https://oeis.org/A056828"}],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}