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 A138435 #11 Apr 01 2019 12:34:34
%S A138435 4,36,500,2744,26620,61516,235824,411540,1070696,3414460,4766560,
%T A138435 11548884,19297880,24488156,38206864,69674436,119119820,140728220,
%U A138435 224970724,300645240,345447096,512760560,656411476,930559080,1431071264
%N A138435 a(n) = ((n-th prime)^5-(n-th prime)^3)/6.
%H A138435 Harvey P. Dale, <a href="/A138435/b138435.txt">Table of n, a(n) for n = 1..1000</a>
%F A138435 a(n) = A138406(n)/6. - _R. J. Mathar_, Oct 15 2017
%t A138435 a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/6], {n, 1, 50}]; a
%t A138435 (#^5-#^3)/6&/@Prime[Range[30]] (* _Harvey P. Dale_, Apr 01 2019 *)
%o A138435 (PARI) forprime(p=2,1e3,print1((p^5-p^3)/6", ")) \\ _Charles R Greathouse IV_, Jul 15 2011
%K A138435 nonn,easy
%O A138435 1,1
%A A138435 _Artur Jasinski_, Mar 19 2008