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 A097879 #19 Oct 30 2022 23:05:10
%S A097879 2,4,7,0,7,7,1
%N A097879 Decimal expansion of Sum_{k>=1} k/prime(k)^3.
%F A097879 Sum_{k>=1} k/A030078(k). - _R. J. Mathar_, Feb 05 2009
%e A097879 0.2470771...
%K A097879 more,nonn,cons
%O A097879 0,1
%A A097879 _Pierre CAMI_, Sep 02 2004
%E A097879 Offset corrected by _R. J. Mathar_, Feb 05 2009
%E A097879 Unproven and apparently incorrect term a(7) deleted by _Jon E. Schoenfield_, Oct 30 2022