[seqfan] Re: Chewing Chowa's function

[Eric Angelini]

Oh, yes, indeed, thank you Doug,
I had searched the database with
the triplet 1,48,75 -- which was naïve
(and wrong), sorry...
Best,
E.
Envoyé d'un aPhone


Le 9 févr. 2013 à 18:21, "D. S. McNeil" <dsm054 at gmail.com> a écrit :

> On Sat, Feb 9, 2013 at 11:41 AM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
>> 
>> Hello SeqFans,
>> start with a=48 and make the sum of the nontrivial divisors of a
>> (which is Chowa's function); you'll get b=75; iterate and you'll find a
>> again. What are the integers entering such loops?
> 
> I think this is A057533.
> 
> 
> Doug
> 
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