A010581 Decimal expansion of cube root of 9.

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

Offset

1,1

References

Horace S. Uhler, Many-figure approximations for cubic root of 2, cubic root of 3, cubic root of 4 and cubic root of 9 with chi 2 data, Scripta Math. 18, (1952). 173-176.

Links

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

H. S. Uhler, Many-figure approximations for cubed root of 2, cubed root of 3, cubed root of 4, and cubed root of 9 with chi2 data, Scripta Math. 18, (1952). 173-176. [Annotated scanned copies of pages 175 and 176 only]

Example

2.08008382305190411453005682435788538633780534037326210...

Mathematica

RealDigits[N[9^(1/3), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 24 2012 *)

Prog

(PARI) { default(realprecision, 20080); x=9^(1/3); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010581.txt", n, " ", d)); } \\ Harry J. Smith, May 07 2009, corrected May 19 2009

Crossrefs

Cf. A010239 = Continued fraction. - Harry J. Smith, May 07 2009

Sequence in context: A293265 A121814 A195298 * A356920 A276987 A348510

Adjacent sequences: A010578 A010579 A010580 * A010582 A010583 A010584

Keyword

nonn,cons

Author

N. J. A. Sloane

Extensions

Revised by N. J. A. Sloane, Apr 23 2006

Status

approved