login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A132555 Egyptian fraction representation for the cube root of 81. 0
4, 14, 188, 1009533, 2157140754314, 5023279363472414321217654, 33702990234719055518929063707508156575783345304421, 2191556351491872706833802493589011302483461136170425508552166749215421540377953988944450024101817127 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Fractional part of 81^(1/3) = 1/4 + 1/14 + 1/188 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 2, 3, 7, 13, 25, 50, 100, 199, 399, ...

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Cube root of 81 = 4.3267487109222251469649149323403287651756077604981...

CROSSREFS

Sequence in context: A098851 A080986 * A129220 A129221 A129222 A129223

Adjacent sequences:  A132552 A132553 A132554 * A132556 A132557 A132558

KEYWORD

frac,nonn

AUTHOR

Jonathan Wellons (wellons(AT)gmail.com), Aug 23 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 25 23:17 EDT 2020. Contains 338026 sequences. (Running on oeis4.)