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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A007992 Augmented amicable pairs (smaller member of each pair). 2
6160, 12220, 23500, 68908, 249424, 425500, 434784, 649990, 660825, 1017856, 1077336, 1238380, 1252216, 1568260, 1754536, 2166136, 2362360, 2482536, 2537220, 2876445, 3957525, 4177524, 4287825, 5224660, 5559510, 5641552 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Let f(n) = 1 + sum of aliquot divisors of n; these are pairs (n,m) with f(n)=m, f(m)=n.

LINKS

D. Moews, Augmented amicable pairs

J. O. M. Pedersen, Tables of Aliquot Cycles

CROSSREFS

Cf. A015630.

Sequence in context: A152388 A203982 A204626 * A033288 A057880 A151967

Adjacent sequences:  A007989 A007990 A007991 * A007993 A007994 A007995

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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 February 16 16:28 EST 2012. Contains 205938 sequences.