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Primes of the form 2^n+n^3.
0

%I #4 May 01 2013 21:10:56

%S 3,157,34359781243

%N Primes of the form 2^n+n^3.

%C The next term is too large to include.

%F a(n)=2^A058015(n)+A058015(n)^3. [From _R. J. Mathar_, Jul 25 2009]

%t f[n_]:=2^n+n^3; lst={};Do[If[PrimeQ[f[n]],AppendTo[lst,f[n]]],{n,2*6!}];lst

%K nonn,bref

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Jul 24 2009

%E It would be better to give the corresponding values of n. - _N. J. A. Sloane_, Jul 25 2009