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 A097201 #5 May 28 2020 12:31:52
%S A097201 0,-17,399,13983,4179663,67080303,17179785663,274877776623,
%T A097201 70368743897823,288230376151004463,4611686018426464383,
%U A097201 18889465931478578980623,4835703278458516695998943
%N A097201 Numbers of the form 4^p - p^4 for p prime.
%t A097201 Table[4^p-p^4,{p,Prime[Range[20]]}] (* _Harvey P. Dale_, May 28 2020 *)
%o A097201 (PARI) forprime(p=2,41,print1(4^p-p^4,","))
%K A097201 sign
%O A097201 1,2
%A A097201 _Parthasarathy Nambi_, Sep 16 2004
%E A097201 Edited and extended by _Klaus Brockhaus_, Sep 18 2004