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!)
A096989 Initial values for f(x)=sigma(phi[x])=A062402[x] such that iteration of f ends in cycle of length=2. 0
5, 7, 8, 9, 10, 11, 12, 14, 18, 22, 37, 43, 49, 51, 53, 57, 61, 63, 64, 65, 67, 68, 71, 73, 74, 76, 77, 79, 80, 81, 83, 85, 86, 87, 89, 91, 93, 95, 96, 97, 98, 99, 101, 102, 103, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A191846 A068213 A065966 * A031950 A043694 A043602
KEYWORD
nonn
AUTHOR
Labos Elemer, Jul 19 2004
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 12 04:22 EDT 2024. Contains 375842 sequences. (Running on oeis4.)