[seqfan] Re: A question concerning perfect numbers
g.resta at iit.cnr.it
Fri Oct 25 10:02:15 CEST 2013
On 10/24/2013 05:00 PM, Vladimir Shevelev wrote:
> But your calculations up to 10^9 show that these numbers
> are much more rare than the numbers of a dual sequence A230587. In my opinion, it is interesting!
Actually, I extended the search to 10^11 without finding any
other solution, apart from one predictable perfect number.
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