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 A351023 #6 Feb 01 2022 19:58:01
%S A351023 1,-2,-2,2,-2,2,-2,-6,2,2,-2,-2,-2,2,2,14,-2,-2,-2,-2,2,2,-2,10,2,2,
%T A351023 -6,-2,-2,2,-2,-26,2,2,2,6,-2,2,2,10,-2,2,-2,-2,-2,2,-2,-18,2,-2,2,-2,
%U A351023 -2,10,2,10,2,2,-2,2,-2,2,-2,50,2,2,-2,-2,2,2,-2,-14,-2,2,-2
%N A351023 Dirichlet g.f.: Product_{k>=2} 1 / (1 + 2 * k^(-s)).
%Y A351023 Cf. A071109, A165872, A316441, A339717, A349921, A351024.
%K A351023 sign
%O A351023 1,2
%A A351023 _Ilya Gutkovskiy_, Jan 29 2022