-4802domain: ZAppears in sequencesTotally multiplicative sequence with a(p) = 7*(p-3) for prime p.at n=39A167317a(n) = (2*sqrt(7)*sin(Pi/7))^n + (-2*sqrt(7)*sin(2*Pi/7))^n + (-2*sqrt(7)*sin(4*Pi/7))^n.at n=5A275830