A132555 Egyptian fraction representation for the cube root of 81.

4, 14, 188, 1009533, 2157140754314, 5023279363472414321217654, 33702990234719055518929063707508156575783345304421, 2191556351491872706833802493589011302483461136170425508552166749215421540377953988944450024101817127

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