This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A097199 #5 Oct 05 2012 09:01:43 %S A097199 32,145,1649,18785,4208945,67137425,17179952705,274878037265, %T A097199 70368744457505,288230376152419025,4611686018428311425, %U A097199 18889465931478582728945,4835703278458516701650465 %N A097199 Numbers of the form p^4 + 4^p for p prime. %t A097199 #^4+4^#&/@ Prime[Range[20]] (* _Harvey P. Dale_, Oct 05 2012 *) %o A097199 (PARI) forprime(p=2,41,print1(p^4+4^p,",")) %K A097199 nonn %O A097199 1,1 %A A097199 _Parthasarathy Nambi_, Sep 16 2004 %E A097199 More terms from _Klaus Brockhaus_, Sep 18 2004