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 A010590 #29 Nov 19 2022 04:26:16 %S A010590 2,6,2,0,7,4,1,3,9,4,2,0,8,8,9,6,6,0,7,1,4,1,6,6,1,2,8,0,4,4,1,9,9,6, %T A010590 2,7,0,2,3,9,4,2,7,6,4,5,7,2,3,6,3,1,7,2,5,1,0,2,7,7,3,8,0,5,7,2,8,6, %U A010590 9,9,8,1,9,1,9,6,0,4,2,1,0,8,8,2,8,4,5,5,8,2,5,9,8,9,0,7,3,5,9 %N A010590 Decimal expansion of cube root of 18. %H A010590 Vincenzo Librandi, <a href="/A010590/b010590.txt">Table of n, a(n) for n = 1..5000</a> %F A010590 Equals sqrt(3*sqrt(2*sqrt(3*sqrt(2*sqrt(3*sqrt(2)...))))). - _Zak Seidov_, Dec 19 2009 %e A010590 2.62074139420889660714166128044199627023942764572363172510277380572869981... %p A010590 evalf[100](root(18,3)); # _Muniru A Asiru_, Feb 10 2019 %t A010590 RealDigits[N[18^(1/3),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 06 2012 *) %o A010590 (PARI) sqrtn(18,3) \\ _Charles R Greathouse IV_, Apr 14 2014 %Y A010590 Cf. A010248 (continued fraction). %K A010590 nonn,cons %O A010590 1,1 %A A010590 _N. J. A. Sloane_