{"schema":"vela.problem-packet.v0.1","problem":330,"statement":"Does there exist a minimal basis with positive density, say $A\\subset\\mathbb{N}$, such that for any $n\\in A$ the (upper) density of integers which cannot be represented without using $n$ is positive?","status":"solved","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)"}