[seqfan] Re: PrimeGrid's GFN mega prime and A056993

Neil Sloane njasloane at gmail.com
Sun Sep 3 15:11:32 CEST 2017


Felix, Thanks for the correction. I have changed the comment to read:

919444 is a candidate for a(20). See Zimmermann link. -  _Serge Batalov_,
Sep 02 2017

Is that OK?

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 Sun, Sep 3, 2017 at 5:20 AM, Felix Fröhlich <felix.froe at gmail.com> wrote:

> Dear SeqFans,
>
> after PrimeGrid's find (see
> http://www.primegrid.com/forum_thread.php?id=7597), 919444 was added to
> A056993, but then removed and a comment added that "919444 is also a
> member, but may not be the next term".
>
> How is that statement correct? If n=20 has a b with 1 < b < 919444, then
> a(20) = b and 919444 isn't a term of the sequence at all.
>
> I think the comment should be corrected.
>
> Best regards
> Felix Fröhlich
>
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> Seqfan Mailing list - http://list.seqfan.eu/
>


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