A010520 - OEIS

A010520

Decimal expansion of square root of 68.

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, 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, 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

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

OFFSET

1,1

COMMENTS

Continued fraction expansion is 8 followed by {4, 16} repeated. - Harry J. Smith, Jun 08 2009

LINKS

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

EXAMPLE

8.246211251235321099642819711948154050294398450747240868797267146189908... - Harry J. Smith, Jun 08 2009

MATHEMATICA

RealDigits[N[68^(1/2), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 22 2012 *)

PROG

(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

CROSSREFS

Cf. A040059 Continued fraction. - Harry J. Smith, Jun 08 2009

Sequence in context: A138499 A153387 A342261 * A169847 A285299 A073440

Adjacent sequences: A010517 A010518 A010519 * A010521 A010522 A010523

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved