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 A334844 #4 Jun 15 2020 13:39:08
%S A334844 1,3,1,1,4,4,2,4,9,8,2,1,5,5,4,7,0,4,5,5,4,5,4,9,4,6,5,3,7,6,1,9,6,5,
%T A334844 1,1,7,9,4,8,9,9,0,5,0,7,6,6,1,9,2,1,8,4,2,1,5,3,4,6,1,6,0,1,5,7,4,7,
%U A334844 2,1,0,2,9,1,6,8,5,6,6,2,5,6,6,9,3,1
%N A334844 Decimal expansion of arclength between (0,0) and (1,sin 1) on y = sin x.
%F A334844 arclength = sqrt(2)*E(1,1/2), where E = elliptic integral of the second kind.
%e A334844 arclength = 1.311442498215547045545494653761965117948990...
%t A334844 s = Integrate[Sqrt[1 + D[Sin[x], x]^2], {x, 0, 1}]
%t A334844 r = N[s, 200]
%t A334844 RealDigits[r][[1]]
%Y A334844 Cf. A333202, A334843.
%K A334844 nonn,cons,easy
%O A334844 1,2
%A A334844 _Clark Kimberling_, Jun 15 2020