[seqfan] Re: A258706

[M. F. Hasler]

On June 28, 2018 03:18, David Wilson <davidwwilson at comcast.net> :

> So what about primes for which no other permutation is prime?
>

This is ambiguous. Is 11 a permutation of 11?
One variant is:

A244529 <https://oeis.org/A244529> Prime numbers whose decimal expansion
contains no repeated digits or zeros, whose digits cannot be rearranged to
form another prime number

Maximilian

> -----Original Message-----
> > From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of Hans
> > Havermann
> > Sent: Tuesday, June 26, 2018 1:11 PM
> > To: Sequence Fanatics Discussion list
> > Subject: [seqfan] A258706
> >
> > https://oeis.org/A258706
> >
> > Bill Gosper's Mathematica program "exhaustively searches thru 33 digits"
> > then caveats that it "cannot reach 317". Can somebody explain that last
> part
> > to me?
> >
> >
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>
>
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