A132496 Egyptian fraction representation for the cube root of 20.

2, 5, 70, 7582, 91011345, 11402948942670087, 142079310615939086078414571109050, 20703930673672438006846197086316877132264533547023626909716123905

Offset

1,1

Comments

Fractional part of 20^(1/3) = 1/2 + 1/5 + 1/70 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 1, 2, 4, 8, 17, 33, 65, 129, 258, ...

Links

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

Example

Cube root of 20 = 2.7144176165949065715180894696794892048051077694891...

Crossrefs

Sequence in context: A175169 A066933 * A100009 A167218 A013045 A290864

Adjacent sequences: A132493 A132494 A132495 * A132497 A132498 A132499

Keyword

frac,nonn

Author

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

Status

approved