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Numbers of the form p^4 + 4^p for p prime.
1

%I #5 Oct 05 2012 09:01:43

%S 32,145,1649,18785,4208945,67137425,17179952705,274878037265,

%T 70368744457505,288230376152419025,4611686018428311425,

%U 18889465931478582728945,4835703278458516701650465

%N Numbers of the form p^4 + 4^p for p prime.

%t #^4+4^#&/@ Prime[Range[20]] (* _Harvey P. Dale_, Oct 05 2012 *)

%o (PARI) forprime(p=2,41,print1(p^4+4^p,","))

%K nonn

%O 1,1

%A _Parthasarathy Nambi_, Sep 16 2004

%E More terms from _Klaus Brockhaus_, Sep 18 2004