-2357947691domain: ZAppears in sequencesDiscriminant of n-th cyclotomic polynomial.at n=10A004124Discriminant of n-th cyclotomic polynomial.at n=21A004124Discriminant of the (2n)-th cyclotomic field Q(zeta_(2n)). Equivalently, discriminant of the (2n)-th cyclotomic polynomial.at n=10A344407