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 A138408 #19 Feb 13 2023 03:36:30
%S A138408 62,726,15620,117642,1771550,4826796,24137552,47045862,148035866,
%T A138408 594823292,887503650,2565726372,4750104200,6321363006,10779215282,
%U A138408 22164361076,42180533582,51520374300,90458382102,128100283850
%N A138408 a(n) = prime(n)^6 - prime(n).
%H A138408 Vincenzo Librandi, <a href="/A138408/b138408.txt">Table of n, a(n) for n = 1..200</a>
%H A138408 <a href="/index/Pri#prime_powers">Index to sequences related to prime powers</a>
%F A138408 a(n) = A030516(n) - A000040(n). - _Elmo R. Oliveira_, Jan 28 2023
%t A138408 a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p], {n, 1, 50}]; a
%t A138408 #^6-#&/@Prime[Range[20]] (* _Harvey P. Dale_, Jun 09 2013 *)
%o A138408 (PARI) forprime(p=2,1e3,print1(p^6-p", ")) \\ _Charles R Greathouse IV_, Jun 16 2011
%o A138408 (Magma) [NthPrime((n))^6 - NthPrime((n)): n in [1..30] ]; // _Vincenzo Librandi_, Jun 17 2011
%Y A138408 Cf. A000040, A030516.
%K A138408 nonn,easy
%O A138408 1,1
%A A138408 _Artur Jasinski_, Mar 19 2008