[seqfan] Re: Your recent Flavius Josephus's sieve related sequence. (and to Olivier: Problem with SeqFan-archives?)

[Neil Sloane]

Then it should be stated as a conjecture, not a fact?

In A278484, I have edited the entry so that it reads:

By definition, a(n) = A278482 <https://oeis.org/A278482>(n,n).


a(n) = A000960 <https://oeis.org/A000960>(n + 1) - 1. [This may only be a
conjecture? - N. J. A. Sloane <https://oeis.org/wiki/User:N._J._A._Sloane>,
Nov 23 2016]


a(n) = 2*A073359 <https://oeis.org/A073359>(n). [Observed by Arie Groeneveld
<https://oeis.org/wiki/User:Arie_Groeneveld> on SeqFan-list, Nov 22 2016.]
[This may only be a conjecture? - N. J. A. Sloane
<https://oeis.org/wiki/User:N._J._A._Sloane>, Nov 23 2016]


If proofs are known for these two assertions, please add the proofs and
change the entry!



Best regards
Neil

Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com


On Wed, Nov 23, 2016 at 3:05 PM, David Wilson <davidwwilson at comcast.net>
wrote:

> > FYI:
> >
> > https://oeis.org/draft/A278484
> >
> > I guess this is clear: a(n) = 2*A073359(n) as observed by Arie
> Groeneveld ?
>
> This is true for n <= 2000.
> However, there is no obvious relationship between the definitions of
> A278484 and A073359 that suggests a proof.
>
>
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>