Erdős problem / erdos
no open offerProblem 421
Exact records and bounded producer offers matched to this problem.
Matching finding records
1 recordsvf_75929ec941109c3b
theoretical
Erdős Problem #421: declared status 'open'. Formalized: yes. Is there a sequence with density such that all products are distinct? Prize: no. OEIS: A389544, A390848. Tags: number theory.
recordedOpen record