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 A138406 #13 Sep 08 2022 08:45:33
%S A138406 24,216,3000,16464,159720,369096,1414944,2469240,6424176,20486760,
%T A138406 28599360,69293304,115787280,146928936,229241184,418046616,714718920,
%U A138406 844369320,1349824344,1803871440,2072682576,3076563360,3938468856
%N A138406 a(n) = prime(n)^5 - prime(n)^3.
%H A138406 Vincenzo Librandi, <a href="/A138406/b138406.txt">Table of n, a(n) for n = 1..200</a>
%H A138406 <a href="/index/Pri#prime_powers">Index to sequences related to prime powers</a>
%t A138406 a = {}; Do[p = Prime[n]; AppendTo[a, p^5 - p^3], {n, 1, 50}]; a
%o A138406 (PARI) forprime(p=2,1e3,print1(p^5-p^3", ")) \\ _Charles R Greathouse IV_, Jun 16 2011
%o A138406 (Magma) [NthPrime((n))^5 - NthPrime((n))^3: n in [1..30] ]; // _Vincenzo Librandi_, Jun 17 2011
%K A138406 nonn,easy
%O A138406 1,1
%A A138406 _Artur Jasinski_, Mar 19 2008