A132497 Egyptian fraction representation for the cube root of 21.

2, 4, 113, 13402, 319488706, 139202496345921670, 53855652883782961827617404521883946, 15516016777307898073618356920342667152514150866512906294539555865564671

Offset

1,1

Comments

Fractional part of 21^(1/3) = 1/2 + 1/4 + 1/113 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 1, 3, 5, 9, 18, 35, 71, 143, 285, ...

Links

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

Example

Cube root of 21 = 2.7589241763811206694657911083585215822527120860389...

Crossrefs

Sequence in context: A289343 A018463 * A009484 A006314 A326204 A259381

Adjacent sequences: A132494 A132495 A132496 * A132498 A132499 A132500

Keyword

frac,nonn

Author

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

Status

approved