A010523 - OEIS

A010523

Decimal expansion of square root of 71.

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Continued fraction expansion is 8 followed by {2, 2, 1, 7, 1, 2, 2, 16} repeated. - Harry J. Smith, Jun 08 2009

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..20000

Index entries for algebraic numbers, degree 2.

EXAMPLE

8.426149773176358630634139906202736031608002401560750013667811129327225...

MATHEMATICA

RealDigits[N[71^(1/2), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 23 2012 *)

PROG

(PARI) { default(realprecision, 20080); x=sqrt(71); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010523.txt", n, " ", d)); } \\ Harry J. Smith, Jun 08 2009

CROSSREFS

Cf. A010150 Continued fraction.

Sequence in context: A154434 A222301 A198353 * A231534 A348908 A014391

Adjacent sequences: A010520 A010521 A010522 * A010524 A010525 A010526

KEYWORD

nonn,cons,changed

AUTHOR

N. J. A. Sloane

STATUS

approved