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%I #10 Mar 31 2012 10:30:02
%S 0,0,9,80,800,5076
%N Number of zero trace primitive elements in Galois field GF(7^n)
%F a(n) = n * A192509(n). [Joerg Arndt, Jul 03 2011]
%Y Cf. A192211, A192212, A192213, A192215, A192216 for other primes
%K nonn,hard,more
%O 1,3
%A _Pasha Zusmanovich_, Jun 25 2011
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