[seqfan] Re: Absolute primes that are not repunits

[Neil Sloane]

Certainly, go ahead and submit it!

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 Tue, Jun 26, 2018 at 9:50 AM, Felix Fröhlich <felix.froe at gmail.com>
wrote:

> Dear SeqFans,
>
> absolute primes are primes p where any prime resulting from a permutation
> of the digits of p is also prime. Some sequences already in the OEIS are:
>
> A003459: Absolute primes
> A129338: Absolute primes with at least two different digits (thus excluding
> repunit primes and single digit primes)
> A258706: Absolute primes: every permutation of digits is a prime (only the
> smallest representatives of the permutation classes are shown)
>
> Given the above sequences, should the following sequence also be in the
> OEIS?
>
> Absolute primes that are not repunits.
> 2, 3, 5, 7, 13, 17, 31, 37, 71, 73, 79, 97, 113, 131, 199, 311, 337, 373,
> 733, 919, 991
>
> It is the relative complement of A004022 in A003459 and a supersequence of
> A129338.
>
> Best regards
> Felix
>
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