A005482 Decimal expansion of cube root of 7.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons
• easy

Examples

			1.9129311827723891011991168...
		

References

• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

• Harry J. Smith, Table of n, a(n) for n = 1..20000
• Index entries for algebraic numbers, degree 3.

Crossrefs

Cf. A005483 (continued fraction). - Harry J. Smith, May 07 2009

Programs

Mathematica

RealDigits[N[7^(1/3), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 22 2012 *)

PARI

{ default(realprecision, 20080); x=7^(1/3); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b005482.txt", n, " ", d)); } \\ Harry J. Smith, May 07 2009, corrected May 19 2009

Extensions

More terms from Olaf Voß, Feb 13 2008