A010505 - OEIS

%I #13 Dec 20 2015 03:16:02

%S 7,2,1,1,1,0,2,5,5,0,9,2,7,9,7,8,5,8,6,2,3,8,4,4,2,5,3,4,9,4,0,9,9,1,

%T 8,9,2,5,0,2,5,9,3,1,4,7,6,9,0,4,9,2,4,2,5,4,2,0,9,0,6,1,1,2,4,5,4,3,

%U 3,3,8,9,6,5,8,6,0,2,0,8,9,0,4,0,9,2,3,8,1,6,4,0,3,6,9,8,1,4,3

%N Decimal expansion of square root of 52.

%C Continued fraction expansion is 7 followed by {4, 1, 2, 1, 4, 14} repeated. - _Harry J. Smith_, Jun 06 2009

%H Harry J. Smith, <a href="/A010505/b010505.txt">Table of n, a(n) for n = 1..20000</a>

%e 7.211102550927978586238442534940991892502593147690492425420906112454333... - _Harry J. Smith_, Jun 06 2009

%t RealDigits[N[Sqrt[52],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 24 2011 *)

%o (PARI) { default(realprecision, 20080); x=sqrt(52); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010505.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 06 2009

%Y Cf. A010138 Continued fraction. - _Harry J. Smith_, Jun 06 2009

%K nonn,cons

%O 1,1

%A _N. J. A. Sloane_