%I #13 Dec 20 2015 03:23:44
%S 8,2,4,6,2,1,1,2,5,1,2,3,5,3,2,1,0,9,9,6,4,2,8,1,9,7,1,1,9,4,8,1,5,4,
%T 0,5,0,2,9,4,3,9,8,4,5,0,7,4,7,2,4,0,8,6,8,7,9,7,2,6,7,1,4,6,1,8,9,9,
%U 0,8,6,9,2,6,7,5,2,4,3,1,8,7,1,7,5,7,2,7,3,0,1,6,2,1,3,6,8,5,9
%N Decimal expansion of square root of 68.
%C Continued fraction expansion is 8 followed by {4, 16} repeated. - _Harry J. Smith_, Jun 08 2009
%H Harry J. Smith, <a href="/A010520/b010520.txt">Table of n, a(n) for n = 1..20000</a>
%e 8.246211251235321099642819711948154050294398450747240868797267146189908... - _Harry J. Smith_, Jun 08 2009
%t RealDigits[N[68^(1/2),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jan 22 2012 *)
%o (PARI) { default(realprecision, 20080); x=sqrt(68); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010520.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 08 2009
%Y Cf. A040059 Continued fraction. - _Harry J. Smith_, Jun 08 2009
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_