152703domain: NAppears in sequencesOdd numbers k for which gcd(A325977(k), A325978(k)) is equal to abs(A325978(k)).at n=5A325979Numbers k such that k and k+1 have different (ordered) prime signatures and d_3(k) = d_3(k+1), where d_3 is A007425.at n=15A333057