[seqfan] Re: Primes where every other digit is 1
zakseidov at yahoo.com
Sat Oct 23 01:56:37 CEST 2021
On Friday, October 22, 2021, 08:56:31 AM GMT+3, Neil Sloane <njasloane at gmail.com> wrote:
This 31,41,61,71,101,131,151,181,191,2131,2141 seems interesting - and it
makes a good puzzle, so yes, please submit it!
Neil J. A. Sloane, Chairman, 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 Thu, Oct 21, 2021 at 8:59 PM Lars Blomberg <lars.blomberg2 at hotmail.com>
> Is this of interest:
> 31,41,61,71,101,131,151,181,191,2131,2141, ...
> ... or 3,7,9.
> /Lars Blomberg
> Seqfan Mailing list - http://list.seqfan.eu/
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