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 A125708 #12 Aug 04 2024 08:56:07
%S A125708 3,5,9,43,150,300,516,1254
%N A125708 Numbers k such that A115963(k) is prime.
%C A125708 A115963(n) is the numerator of Sum_{k=1..n} 1/prime(k)^3.
%C A125708 a(9) > 5000. - _Michael S. Branicky_, Aug 04 2024
%t A125708 f=0;Do[p=Prime[n];f=f+1/p^3;g=Numerator[f];If[PrimeQ[g],Print[{n,p,g}]],{n,1,50}]
%Y A125708 Cf. A115963, A024451, A092062, A061015, A109628.
%K A125708 hard,more,nonn
%O A125708 1,1
%A A125708 _Alexander Adamchuk_, Feb 01 2007, Mar 01 2007
%E A125708 a(6) from _Alexander Adamchuk_, Sep 16 2010
%E A125708 a(7)-a(8) from _Amiram Eldar_, Feb 18 2019