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 A353973 #14 Jun 05 2022 05:26:16
%S A353973 7,7,8,3,9,3,4,1,5,0,8,2,3,6,4,7,8,1,3,9,4,9,6,3,7,4,1,0,8,6,9,1,8,2,
%T A353973 7,5,5,9,4,7,5,8,2,0,0,8,3,1,4,9,2,6,3,1,2,8,4,8,4,8,4,1,3,6,5,2,1,8,
%U A353973 3,4,1,0,4,6,2,4,6,6,8,8,3,5,5,0,0,9,3,2,9,4,0,0,5,7,3,9,9,8,0,0,9,6,3,0,8
%N A353973 Decimal expansion of the sum of the reciprocals of the superior highly composite numbers.
%F A353973 Equals Sum_{n>=1} 1/A002201(n).
%e A353973 0.77839341508236478139496374108691827559475820083149...
%Y A353973 Cf. A002201, A352418.
%K A353973 nonn,cons
%O A353973 0,1
%A A353973 _Bengt-Göran Persson_, May 12 2022
%E A353973 More terms from _Amiram Eldar_, Jun 05 2022