login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A248235 Egyptian fraction representation of sqrt(5) (A002163) using a greedy function. 89
2, 5, 28, 2828, 11765225, 244616741135815, 200345939091917238204751820525, 58201747163932603551486315260692070868016224421408235882974, 3950825087286888657146721201016118914863842749907092675300186489072730656660851348699680127901879302396406080621599015 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Eric Weisstein's World of Mathematics, Egyptian Fraction.
MATHEMATICA
Egyptian[nbr_] := Block[{lst = {IntegerPart[nbr]}, cons = N[ FractionalPart[ nbr], 2^20], denom, iter = 8}, While[ iter > 0, denom = Ceiling[ 1/cons]; AppendTo[ lst, denom]; cons -= 1/denom; iter--]; lst]; Egyptian[ Sqrt[ 5]]
CROSSREFS
Egyptian fraction representations of the square roots: A006487, A224231, A248235-A248322.
Egyptian fraction representations of the cube roots: A129702, A132480-A132574.
Cf. A002163.
Sequence in context: A105787 A110497 A000472 * A358444 A327345 A049050
KEYWORD
nonn,frac
AUTHOR
Robert G. Wilson v, Oct 04 2014
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 3 01:57 EDT 2024. Contains 375649 sequences. (Running on oeis4.)