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!)
A218873 Denominator of Sum_{i = Fibonacci(n-1)+1..Fibonacci(n)} 1/i. 1
1, 1, 2, 3, 20, 168, 25740, 1627920, 7600186994400, 91351145008363640400, 41220780807793167133364240240011200, 86885947737342403570395603462501113422055643279216000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
REFERENCES
Chen, Hongwei; Kennedy, Chris. Harmonic series meets Fibonacci sequence. College Math. J. 43 (2012), no. 3, 237--243. MR2916493
LINKS
EXAMPLE
1, 0, 1/2, 1/3, 9/20, 73/168, 11899/25740, 757349/1627920, 3593758191731/7600186994400, 43428537271777524533/91351145008363640400, ...
CROSSREFS
Sequence in context: A356884 A009721 A013340 * A012416 A261317 A353921
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Nov 09 2012
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 March 19 07:41 EDT 2024. Contains 370958 sequences. (Running on oeis4.)