184222098845domain: NAppears in sequencesa(n) = -3*a(n-1) + 5*a(n-2), n > 1; a(0)=1, a(1)=-5.at n=18A152185a(n) = 3*a(n-1) + 5*a(n-2), with a(0)=1, a(1)=5.at n=18A152187