A132491 - OEIS

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A132491

Egyptian fraction representation for the cube root of 15.

3, 8, 127, 211630, 47364135042, 4115103009106851956470, 40753256561373056019641010884288368300140936, 19996005548736036622421607254371737908936965590956274371507698445858203179891809281753140

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OFFSET

1,1

COMMENTS

Fractional part of 15^(1/3) = 1/3 + 1/8 + 1/127 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 1, 3, 6, 11, 22, 44, 89, 177, 355, ...

LINKS

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

EXAMPLE

Cube root of 15 = 2.4662120743304701014916113231545890427354844866281...

CROSSREFS

Sequence in context: A036504 A227831 * A083112 A053605 A297565 A289884

Adjacent sequences: A132488 A132489 A132490 * A132492 A132493 A132494

KEYWORD

frac,nonn

AUTHOR

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

STATUS

approved