Even numbers n such that (n+2)|(n+2^n).

[zak seidov]

Max, thanks for your great contribution!

Max, seqfans,

All even {found} terms are also divisible by four -
are there any other common properties
(which may help to find the other terms)?

Thanks, Zak

--- "Max A." <maxale at gmail.com> wrote:

> And five more members:
> 
> 21235295216, 25867010016, 82230049056,
> 852382412227116, 999921104540627677377360
> 
> Max
> 
> On 9/23/06, Max A. <maxale at gmail.com> wrote:
> > Zak,
> >
> > Yet another member of your sequence:
> >
> > 24936246176
> >
> > Max
> >
> > On 9/20/06, zak seidov <zakseidov at yahoo.com>
> wrote:
> > > Dear Seqfans,
> > >
> > > Not yet submitted,
> > > pending checking/expanding by you gurus.
> > >
> > > Up to n=1980000000 search is full (by me).
> > >
> > > Thanks, Zak
> > >
> > > %I A000001
> > > %S A000001 106976, 1642796,  21879936, 96593696
> > > 45270492952372075535792
> > > %N A000001 Even numbers n such that
> (n+2)|(n+2^n).
> > > %C A000001 Most numbers n such that
> (n+2)|(n+2^n) are
> > > odd. The sequence gives  five known (at present,
> to
> > > me) even such numbers. The fifth term is due to
> Max
> > > Alekseyev (maxal(AT)cs.ucsd.edu), Sep 20 2006.
> There
> > > are probably many other terms between 4th and
> 5th
> > > terms.
> > > %Y A000001 A081765, A015922, A122042.
> > > %O A000001 1
> > > %K A000001 ,more,nonn,
> > > %A A000001 Zak Seidov  (zakseidov at yahoo.com),
> Sep 21
> > > 2006
> > >
> > >
> > >
> __________________________________________________
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> >
> 


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