%I

%S 0,0,54,448,9520

%N Number of zero trace primitive elements in Galois field GF(13^n).

%F a(n) = n * A192511(n). [Joerg Arndt, Jul 03 2011]

%Y Cf. A192211, A192212, A192213, A192214, A192215 for other primes.

%K nonn,hard,more

%O 1,3

%A _Pasha Zusmanovich_, Jun 25 2011