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 A292191 #24 Mar 20 2024 07:53:29 %S A292191 2,1,7,2,6,3,2,0,5,7,2,8,5,7,6,2,8,7,1,6,2,8,3,1,5,4,3,4,4,4,8,0,9,3, %T A292191 2,3,4,3,9,4,4,9,2,8,8,4,9,4,6,4,4,3,7,9,9,3,3,6,9,3,6,2,4,9,4,6,6,7, %U A292191 9,3,2,2,4,8,0,9,9,8,2,1,4,5,0,3,1,4,9,4,3,8,4,6,5,6,8,2,0,1,5,4,5,1,6,3,5 %N A292191 Decimal expansion of zeta(zeta(2)). %e A292191 2.1726320572857628716283154344480932343944... %p A292191 evalf(Zeta(Zeta(2)), 100); # _Wesley Ivan Hurt_, Sep 11 2017 %t A292191 First[RealDigits[Zeta[Zeta[2]], 10, 100]] (* _Paolo Xausa_, Mar 20 2024 *) %o A292191 (PARI) zeta(zeta(2)) \\ _Michel Marcus_, Sep 11 2017 %Y A292191 Cf. A013661. %K A292191 nonn,cons %O A292191 1,1 %A A292191 _Bobby Jacobs_, Sep 11 2017