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 A010512 #15 Feb 11 2025 14:45:02
%S A010512 7,6,8,1,1,4,5,7,4,7,8,6,8,6,0,8,1,7,5,7,6,9,6,8,7,0,2,1,7,3,1,3,7,2,
%T A010512 4,7,3,0,6,2,4,5,1,0,7,7,6,1,4,8,8,3,9,2,8,0,2,4,7,3,6,4,8,3,9,3,5,5,
%U A010512 4,1,6,5,7,9,9,2,7,0,9,8,5,1,8,5,6,0,4,7,7,2,7,9,6,1,3,7,7,7,9
%N A010512 Decimal expansion of square root of 59.
%C A010512 Continued fraction expansion is 7 followed by {1, 2, 7, 2, 1, 14} repeated. - _Harry J. Smith_, Jun 07 2009
%H A010512 Harry J. Smith, <a href="/A010512/b010512.txt">Table of n, a(n) for n = 1..20000</a>
%H A010512 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>.
%e A010512 7.681145747868608175769687021731372473062451077614883928024736483935541...
%t A010512 RealDigits[N[Sqrt[59],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 25 2011 *)
%o A010512 (PARI) { default(realprecision, 20080); x=sqrt(59); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010512.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 07 2009
%Y A010512 Cf. A010144 Continued fraction.
%K A010512 nonn,cons
%O A010512 1,1
%A A010512 _N. J. A. Sloane_