Formal target: Corpus.OEIS110854.conjecture
Do the absolute values cover A004275?
Exact formal statement
∀ (d : Nat),
Or (Eq.{1} d 1) (Even.{0} d) → Exists.{1} fun n => And (GT.gt.{0} n 0) (Eq.{1} d (Corpus.OEIS110854.a n).natAbs)This target is a formal statement, not a proof of the problem.
Environment availability: available.