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 A010483 #25 Feb 11 2025 14:41:53
%S A010483 5,2,9,1,5,0,2,6,2,2,1,2,9,1,8,1,1,8,1,0,0,3,2,3,1,5,0,7,2,7,8,5,2,0,
%T A010483 8,5,1,4,2,0,5,1,8,3,6,6,1,6,4,9,0,0,3,6,0,7,3,6,6,6,8,9,1,8,4,0,2,1,
%U A010483 3,7,6,4,6,4,6,0,5,6,7,2,5,5,5,2,0,7,8,5,7,7,2,9,4,9,0,8,7,2,2
%N A010483 Decimal expansion of square root of 28.
%C A010483 Continued fraction expansion is 5 followed by {3, 2, 3, 10} repeated. - _Harry J. Smith_, Jun 04 2009
%H A010483 Harry J. Smith, <a href="/A010483/b010483.txt">Table of n, a(n) for n = 1..20000</a>
%H A010483 John W. Layman, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL4/LAYMAN/hankel.html">The Hankel Transform and Some of its Properties</a>, J. Integer Sequences, 4 (2001), #01.1.5.
%H A010483 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>.
%F A010483 Equals 2*A010465. - _R. J. Mathar_, Jan 14 2021
%e A010483 5.2915026221291811810032315072785208514205183661649003607366689184... - _Harry J. Smith_, Jun 04 2009
%t A010483 RealDigits[N[Sqrt[28], 200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 22 2011 *)
%o A010483 (PARI) { default(realprecision, 20080); x=sqrt(28); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010483.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 04 2009
%Y A010483 Cf. A040022 Continued fraction. - _Harry J. Smith_, Jun 04 2009
%K A010483 nonn,cons,easy
%O A010483 1,1
%A A010483 _N. J. A. Sloane_