login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A127520 a(n) = denominator of sum{k=1 to n} 1/A127518(k). 2
1, 3, 24, 120, 120, 840, 840, 840, 280, 2520, 27720, 27720, 360360, 360360, 360360, 720720, 12252240, 4084080, 77597520, 15519504, 15519504, 5173168, 118982864, 356948592, 8923714800, 80313433200, 80313433200, 80313433200, 2329089562800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..29.

CROSSREFS

Cf. A127518, A127519.

Sequence in context: A050545 A139031 A065692 * A175115 A151883 A009134

Adjacent sequences:  A127517 A127518 A127519 * A127521 A127522 A127523

KEYWORD

frac,nonn

AUTHOR

Leroy Quet Jan 17 2007

EXTENSIONS

Extended by Ray Chandler, Jan 22 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified June 19 04:22 EDT 2013. Contains 226390 sequences.