Formal target: Corpus.OEIS80326.conjecture
Conjecture: $a(n) = \text{primorial}(n)$ for infinitely many $n$.
Exact formal statement
Set.Infinite.{0} (Set.ofPred.{0} fun n => Eq.{1} (Corpus.OEIS80326.a n) (primorial n))This target is a formal statement, not a proof of the problem.
Environment availability: available.