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%I #11 Apr 17 2022 09:25:43
%S 3,7,127,762939453127
%N Primes of the form 5^n + 2.
%C Next term has 100 digits.
%t Select[Table[5^n + 2, {n, 0, 500}], PrimeQ] (* _T. D. Noe_, Apr 25 2012 *)
%Y Cf. A057735, A087885.
%K nonn
%O 1,1
%A _Alex Ratushnyak_, Apr 25 2012