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!)
A074751 Numbers n such that the sum of the anti-divisors of n (excluding 1) = sum of proper divisors (or aliquot parts) of n. 2
1, 4, 44, 260, 1350, 6284, 6954, 13364, 273366, 333546, 466614, 4659934050 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A066272 for definition of anti-divisor.
a(12) > 10^10. - Hiroaki Yamanouchi, Mar 18 2015
LINKS
CROSSREFS
Sequence in context: A271294 A269907 A270130 * A129551 A202162 A354646
KEYWORD
more,nonn
AUTHOR
Jason Earls, Sep 06 2002
EXTENSIONS
a(11) from Hiroaki Yamanouchi, Mar 18 2015
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 May 7 20:13 EDT 2024. Contains 372317 sequences. (Running on oeis4.)