A138944 - OEIS

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A138944

Primes of the form (17^n - 3^n)/14.

%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