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 A035078 #9 Jul 08 2025 21:30:16
%S A035078 1,7,17,81,118,2771,4737,63457,-1270924,161636091,-464743285,
%T A035078 254905515589,-3006818262414,299981806371451,-83955854172826681,
%U A035078 38482697321210434701,-1458143803622109300584,83247435772128371635117
%N A035078 Numerators of partial sums of Bernoulli numbers B_{2n} = A000367/A002445.
%H A035078 <a href="/index/Be#Bernoulli">Index entries for sequences related to Bernoulli numbers.</a>
%K A035078 sign,easy,frac
%O A035078 0,2
%A A035078 _N. J. A. Sloane_