login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121288 Values of Sigma(n)*UnitarySigma(n) divided by UnitaryPhi(n)*n associated with A121287. 1
1, 12, 14, 8, 28, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A000203, A034448, A047994, A121287.

Sequence in context: A099415 A042293 A061097 * A075477 A075482 A248019

Adjacent sequences:  A121285 A121286 A121287 * A121289 A121290 A121291

KEYWORD

nonn,more

AUTHOR

Yasutoshi Kohmoto, Sep 05 2006

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 17 10:51 EDT 2021. Contains 343064 sequences. (Running on oeis4.)