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 A382550 #8 Apr 01 2025 19:50:21
%S A382550 3,6,7,0,1,2,3,1,9,0,2,6,5,7,9,5,3,8,1,7,8,3,8,2,0,7,4,3,0,8,6,7,0,0,
%T A382550 5,0,2,4,6,9,1,2,9,4,3,1,2,2,5,5,4,1,9,6,9,2,6,0,8,3,7,5,8,3,7,9,2,3,
%U A382550 0,2,8,9,4,0,5,1,6,4,6,1,1,8,3,7,5,2,1,2,2,2,7,1,6,1,9,7,0,0,0,8,0,3
%N A382550 Decimal expansion of Sum_{p prime} (p + 1)/(p - 1)^3.
%H A382550 <a href="/wiki/Index_to_constants#Start_of_section_P">Index to constants which are prime zeta sums</a> {0,3,-1}.
%F A382550 Equals A086242 + 2*A380840.
%F A382550 Equals Sum_{k>=2} (k-1)^2 * P(k), where P is the prime zeta function. - _Amiram Eldar_, Apr 01 2025
%e A382550 3.67012319026579538178382074308670050246912943122554196...
%o A382550 (PARI) sumeulerrat((p+1)/(p-1)^3) \\ _Amiram Eldar_, Apr 01 2025
%Y A382550 Cf. A086242, A380840.
%K A382550 nonn,cons
%O A382550 1,1
%A A382550 _Artur Jasinski_, Mar 31 2025