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 A352418 #27 Mar 18 2022 00:23:17
%S A352418 2,1,3,2,8,7,2,8,2,3,5,2,5,8,1,2,0,1,0,3,4,3,8,7,8,4,1,1,8,3,0,5,1,8,
%T A352418 7,7,9,0,7,2,8,8,8,0,6,8,9,5,9,3,3,7,0,5,4,3,2,0,3,3,0,8,7,4,3,7,3,7,
%U A352418 8,5,9,9,2,4,0,9,3,3,7,7,0,9,2,1,7,9,9,0,3,0,6,5,3,2,5,6,1,1,9,2,0,0,2,7,7,0,4
%N A352418 Decimal expansion of the sum of the reciprocals of the highly composite numbers.
%H A352418 Johan Lindgren, <a href="/A352418/b352418.txt">Table of n, a(n) for n = 1..1100</a>
%F A352418 Equals Sum_{n>=1} 1/A002182(n).
%e A352418 1/1 + 1/2 + 1/4 + 1/6 + 1/12 + 1/24 + 1/36 + 1/48 + ... =
%e A352418 2.13287282352581201034387841183051877907288806895933...
%Y A352418 Cf. A002182.
%K A352418 nonn,cons
%O A352418 1,1
%A A352418 _Johan Lindgren_, Mar 15 2022