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A132497 Egyptian fraction representation for the cube root of 21. +0
1
2, 4, 113, 13402, 319488706, 139202496345921670, 53855652883782961827617404521883946, 15516016777307898073618356920342667152514150866512906294539555865564671 (list; graph; listen)
OFFSET

1,1

COMMENT

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, ...

EXAMPLE

Cube root of 21 = 2.7589241763811206694657911083585215822527120860389...

CROSSREFS

Sequence in context: A018449 A018455 A018463 this_sequence A009484 A006314 A009595

Adjacent sequences: A132494 A132495 A132496 this_sequence A132498 A132499 A132500

KEYWORD

frac,nonn

AUTHOR

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

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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