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 A382558 #6 Apr 01 2025 19:51:18
%S A382558 2,5,2,2,5,9,4,0,9,2,5,0,7,2,1,5,3,3,4,8,5,0,5,3,6,9,3,6,8,0,4,5,7,0,
%T A382558 1,0,0,8,2,4,3,6,4,6,9,5,7,0,0,4,2,9,7,1,3,9,8,5,0,1,3,4,5,9,8,4,1,7,
%U A382558 6,9,3,0,3,5,9,6,6,0,0,6,8,6,9,0,2,5,5,9,9,3,9,7,8,9,2,7,9,0,6
%N A382558 Decimal expansion of Sum_{p prime} p/(p - 1)^3.
%H A382558 <a href="/wiki/Index_to_constants#Start_of_section_P">Index to constants which are prime zeta sums</a> {-1,3,0}.
%F A382558 Equals A086242 + A380840.
%F A382558 Equals Sum_{k>=2} ((k-1)*k/2) * P(k), where P is the prime zeta function. - _Amiram Eldar_, Apr 01 2025
%e A382558 2.522594092507215334850536936804570100824364695700429713...
%o A382558 (PARI) sumeulerrat(p/(p-1)^3) \\ _Amiram Eldar_, Apr 01 2025
%Y A382558 Cf. A086242, A380840.
%K A382558 nonn,cons
%O A382558 1,1
%A A382558 _Artur Jasinski_, Mar 31 2025