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%I #6 Dec 03 2021 15:06:21
%S 349,2447992580749,59088590134729116001
%N Primes of the form (17^n - 3^n)/14.
%C The next term has 604 digits. - _Harvey P. Dale_, Dec 03 2021
%t a={};Do[p=(17^n-3^n)/14;If[PrimeQ[p],AppendTo[a,p]],{n,1,10^2}];a
%t Select[Table[(17^n-3^n)/14,{n,30}],PrimeQ] (* _Harvey P. Dale_, Dec 03 2021 *)
%Y Cf. A128031.
%K nonn,bref
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, May 16 2008
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