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 A333204 #4 Jun 14 2020 22:50:15
%S A333204 1,6,0,0,2,2,9,4,2,7,6,7,2,2,0,5,8,3,7,2,8,9,9,7,7,9,1,5,6,4,9,9,5,6,
%T A333204 7,1,2,2,6,2,4,0,2,5,9,1,0,3,8,9,2,4,4,4,2,4,4,0,5,1,8,2,6,7,9,2,9,9,
%U A333204 0,1,1,8,4,5,6,9,3,0,3,6,3,1,6,2,0,2
%N A333204 Decimal expansion of arclength from (0,0) to (1,1) on y = x^4.
%F A333204 arclength = 2F1(-1/2;1/6;7/6;-16), where 2F1 is the hypergeometric function.
%e A333204 arclength = 1.60022942767220583728997791564995...
%t A333204 s = Integrate[Sqrt[1 + 16 x^6], {x, 0, 1}]
%t A333204 r = N[s, 200]
%t A333204 RealDigits[r][[1]]
%Y A333204 Cf. A333202, A333203.
%K A333204 nonn,cons,easy
%O A333204 1,2
%A A333204 _Clark Kimberling_, Jun 12 2020