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 A333203 #6 Jun 14 2020 22:50:07
%S A333203 1,5,4,7,8,6,5,6,5,4,6,8,3,6,1,0,1,4,4,7,7,5,3,3,1,6,4,6,0,6,4,2,6,0,
%T A333203 6,1,8,0,0,6,6,3,3,3,1,7,9,4,7,0,7,2,2,5,1,3,6,8,5,9,3,9,1,6,5,5,0,2,
%U A333203 1,1,1,4,1,2,3,2,6,0,0,7,2,6,6,9,3,1
%N A333203 Decimal expansion of arclength from (0,0) to (1,1) on y = x^3.
%F A333203 arclength = 2F1(-1/2;1/4;5/4;-9), where 2F1 is the hypergeometric function.
%e A333203 arclength = 1.54786565468361014477533164606426061800663...
%t A333203 s = Integrate[Sqrt[1 + 9 x^4], {x, 0, 1}]
%t A333203 r = N[s, 200]
%t A333203 RealDigits[r][[1]]
%o A333203 (PARI) intnum(x=0, 1, sqrt(1+9*x^4)) \\ _Michel Marcus_, Jun 12 2020
%Y A333203 Cf. A333202, A333204.
%K A333203 nonn,cons,easy
%O A333203 1,2
%A A333203 _Clark Kimberling_, Jun 12 2020