%I #13 Jan 26 2014 12:24:30
%S 5,13,41,59,47057,4447,775807,713863,29133437,3892535183,110725121051,
%T 1456230512169437
%N Largest prime factor of the n-th Giuga number A007850(n).
%C See A007850 for comments, references, and links.
%e A007850(1) = 30 = 2*3*5 is the first Giuga number, so a(1) = 5.
%Y Cf. A007850, A216823, A236434.
%K nonn,hard,more
%O 1,1
%A _Jonathan Sondow_, Sep 17 2012
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