1219100610domain: NAppears in sequencesa(n) = 5^n - 3^n - 2^n.at n=12A130072a(n) = 5^n - 3^n - 2^n.at n=13A135158a(n) = 5^p - 3^p - 2^p, where p = prime(n).at n=5A135173