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 A340177 #21 Feb 05 2021 00:36:50
%S A340177 1,1,1,0,4,2,6,2,0,3,3,5,8,6,4,8,8,0,1,9,4,9,9,2,6,9,7,5,7,8,4,0,8,0,
%T A340177 9,2,0,1,6,2,3,7,4,7,3,9,9,1,1,7,2,2,0,4,9,0,6,5,8,9,1,7,8,1,8,5,6,0,
%U A340177 4,8,4,5,1,9,5,4,7,1,8,0,4,7,6,3,9,7,2
%N A340177 Decimal expansion of Sum_{i>=1} sin(1/i)^i.
%H A340177 Jason Wang, <a href="/A340177/b340177.txt">Table of n, a(n) for n = 1..10000</a>
%e A340177 1.1104262033586488019499269757840809201623747399117220...
%p A340177 evalf[132](sum(sin(1/i)^i, i = 1 .. infinity));
%o A340177 (PARI) suminf(i=1,sin(1/i)^i) \\ _Hugo Pfoertner_, Dec 30 2020
%K A340177 nonn,cons
%O A340177 1,5
%A A340177 _Jason Wang_, Dec 30 2020