Recurrence a(n) = a(n-1)^3 - 3*a(n-1) with a(0) = 6.A112845Recurrence a(n) = a(n-1)^3 - 3*a(n-1) with a(0) = 6.Terms a(0) =6a(1) =198a(2) =7761798External referencesoeis: A112845