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 A084862 #9 Feb 16 2025 08:32:49
%S A084862 2,2,2,4,1,34,4,2,3,5,1,33,2,3,1,1,12,1,20,1,9,1,2,1,4,3,1,13,1,1,2,3,
%T A084862 1,1,8,6,1,1,3,42,1,94,1,4,2,1,1,1,7,1,1,1,16,1,25,2,1,1,29,2,3,2,3,
%U A084862 10,6,2,1,1,1,2,1,4,2,132,1,3,1,2,8,1,1,2,1,3,1,2,1,3,1,3,45,1,2,1,5
%N A084862 Continued fraction expansion of Sum_{n>=1} zeta( 2*n ) / n!.
%H A084862 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/RiemannZetaFunction.html">Riemann Zeta Function</a>.
%e A084862 2.40744655479032851470948665622302272558226649037984418869339833...
%Y A084862 Decimal expansion is in A076813.
%K A084862 nonn,easy,cofr
%O A084862 0,1
%A A084862 _Frank Ellermann_, Jul 13 2003
%E A084862 Offset changed by _Andrew Howroyd_, Aug 07 2024