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 A382554 #10 Apr 02 2025 06:49:49
%S A382554 2,4,4,4,7,7,3,0,4,1,5,6,5,9,3,3,0,6,9,5,1,9,4,8,3,7,1,3,4,7,3,5,0,9,
%T A382554 6,7,6,3,7,3,7,3,6,5,2,1,7,8,7,6,1,7,9,8,9,5,3,6,9,6,1,5,0,4,8,3,8,1,
%U A382554 8,1,4,5,0,6,4,2,5,4,2,4,6,3,2,5,4,8,1,0,2,5,2,6,3,8,9,5,5,4,4,4,4,3
%N A382554 Decimal expansion of Sum_{p prime} 1/(p + 1)^2.
%H A382554 <a href="/wiki/Index_to_constants#Start_of_section_P">Index to constants which are prime zeta sums</a> {0,0,2}.
%F A382554 Equals Sum_{k>=2} (-1)^k * (k-1) * P(k), where P is the prime zeta function. - _Amiram Eldar_, Apr 01 2025
%e A382554 0.24447730415659330695194837134735096763737...
%o A382554 (PARI) sumeulerrat(1/(p+1)^2) \\ _Amiram Eldar_, Apr 01 2025
%Y A382554 Cf. A085548, A086242.
%K A382554 nonn,cons
%O A382554 0,1
%A A382554 _Artur Jasinski_, Mar 31 2025