%I #23 Jan 14 2021 08:58:21
%S 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 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 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 Decimal expansion of square root of 28.
%C Continued fraction expansion is 5 followed by {3, 2, 3, 10} repeated. - _Harry J. Smith_, Jun 04 2009
%H Harry J. Smith, <a href="/A010483/b010483.txt">Table of n, a(n) for n = 1..20000</a>
%H 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.
%F Equals 2*A010465. - _R. J. Mathar_, Jan 14 2021
%e 5.2915026221291811810032315072785208514205183661649003607366689184... - _Harry J. Smith_, Jun 04 2009
%t RealDigits[N[Sqrt[28], 200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 22 2011 *)
%o (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 Cf. A040022 Continued fraction. - _Harry J. Smith_, Jun 04 2009
%K nonn,cons,easy
%O 1,1
%A _N. J. A. Sloane_