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 A010501 #15 Feb 11 2025 10:00:56
%S A010501 6,8,5,5,6,5,4,6,0,0,4,0,1,0,4,4,1,2,4,9,3,5,8,7,1,4,4,9,0,8,4,8,4,8,
%T A010501 9,6,0,4,6,0,6,4,3,4,6,1,0,0,1,3,2,6,2,7,5,4,8,5,1,0,8,1,8,5,6,7,8,5,
%U A010501 1,7,1,1,5,1,3,6,8,1,6,9,9,9,2,2,7,3,2,5,1,4,8,5,0,0,0,6,6,8,3
%N A010501 Decimal expansion of square root of 47.
%C A010501 Continued fraction expansion is 6 followed by {1, 5, 1, 12} repeated. - _Harry J. Smith_, Jun 06 2009
%H A010501 Harry J. Smith, <a href="/A010501/b010501.txt">Table of n, a(n) for n = 1..20000</a>
%H A010501 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>.
%e A010501 6.855654600401044124935871449084848960460643461001326275485108185678517...
%t A010501 RealDigits[N[Sqrt[47],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 24 2011 *)
%o A010501 (PARI) { default(realprecision, 20080); x=sqrt(47); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010501.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 06 2009
%Y A010501 Cf. A010137 Continued fraction.
%K A010501 nonn,cons
%O A010501 1,1
%A A010501 _N. J. A. Sloane_