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 A138411 #14 Aug 31 2018 02:58:21
%S A138411 48,648,15000,115248,1756920,4798248,24054048,46915560,147756048,
%T A138411 594116040,886580160,2563852248,4747278480,6317944248,10774335648,
%U A138411 22156470648,42168416280,51506528520,90438231048,128074872240
%N A138411 a(n) = prime(n)^6 - prime(n)^4.
%H A138411 Vincenzo Librandi, <a href="/A138411/b138411.txt">Table of n, a(n) for n = 1..168</a>
%H A138411 <a href="/index/Pri#prime_powers">Index to sequences related to prime powers</a>
%t A138411 a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p^4], {n, 1, 50}]; a
%t A138411 #^6-#^4&/@Prime[Range[20]] (* _Harvey P. Dale_, May 18 2012 *)
%o A138411 (PARI) forprime(p=2,1e3,print1(p^6-p^4", ")) \\ _Charles R Greathouse IV_, Jun 16 2011
%K A138411 nonn,easy
%O A138411 1,1
%A A138411 _Artur Jasinski_, Mar 19 2008