-10089domain: ZAppears in sequencesa(n) = 3*a(n-1) - 4*a(n-2) with a(0) = 2, a(1) = 3.at n=15A247563a(n) = 3*a(n-2) - 4*a(n-4) with a(0) = 2, a(1) = 1, a(2) = 3, a(3) = 1.at n=30A247564