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 A010581 #23 Dec 20 2015 03:34:35
%S A010581 2,0,8,0,0,8,3,8,2,3,0,5,1,9,0,4,1,1,4,5,3,0,0,5,6,8,2,4,3,5,7,8,8,5,
%T A010581 3,8,6,3,3,7,8,0,5,3,4,0,3,7,3,2,6,2,1,0,9,6,9,7,5,9,1,0,8,0,2,0,0,1,
%U A010581 0,6,3,1,1,3,9,7,2,6,8,7,7,3,6,0,6,0,5,6,6,3,6,7,9,0,7,5,7,4,8,6,7,2,8,6,7,1,5,9
%N A010581 Decimal expansion of cube root of 9.
%D A010581 Horace S. Uhler, Many-figure approximations for cubic root of 2, cubic root of 3, cubic root of 4 and cubic root of 9 with chi 2 data, Scripta Math. 18, (1952). 173-176.
%H A010581 Harry J. Smith, <a href="/A010581/b010581.txt">Table of n, a(n) for n = 1..20000</a>
%H A010581 H. S. Uhler, <a href="/A002580/a002580.pdf">Many-figure approximations for cubed root of 2, cubed root of 3, cubed root of 4, and cubed root of 9 with chi2 data</a>, Scripta Math. 18, (1952). 173-176. [Annotated scanned copies of pages 175 and 176 only]
%e A010581 2.08008382305190411453005682435788538633780534037326210...
%t A010581 RealDigits[N[9^(1/3), 200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jan 24 2012 *)
%o A010581 (PARI) { default(realprecision, 20080); x=9^(1/3); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010581.txt", n, " ", d)); } \\ _Harry J. Smith_, May 07 2009, corrected May 19 2009
%Y A010581 Cf. A010239 = Continued fraction. - _Harry J. Smith_, May 07 2009
%K A010581 nonn,cons
%O A010581 1,1
%A A010581 _N. J. A. Sloane_
%E A010581 Revised by _N. J. A. Sloane_, Apr 23 2006