[seqfan] Re: prime(n)^n - 3
M. F. Hasler
oeis at hasler.fr
Sat May 19 20:19:41 CEST 2018
I thought that if this sequence makes it into OEIS,
we could also have the companion :
Numbers n such that prime(n)^n+2 is prime.
2,3,5,309,...
proposed as https://oeis.org/draft/A303371
--
Maximilian
On Sat, May 19, 2018 at 10:09 AM, Neil Sloane <njasloane at gmail.com> wrote:
> Since several people have joined this discussion I suggest that you
> submit 2,4,18,19,20,21,31,38,82,94,212 to the OEIS.
>
> Best regards
> Neil
>
> On Wed, May 16, 2018 at 1:12 PM, Trizen <trizenx at gmail.com> wrote:
>
> > Update: no other terms bellow 6500.
> >
> > On Wed, May 16, 2018 at 4:25 PM, David Sycamore via SeqFan <
> > seqfan at list.seqfan.eu> wrote:
> >
> > > Yes I did indeed; my typo, sorry.
> > >
> > > Sent from my iPhone
> > >
> > > > On 16 May 2018, at 13:55, Ami Eldar <amiram.eldar at gmail.com> wrote:
> > > >
> > > > You meant prime(n)^n - 2, ...
> > > >
> > > >> On Wed, May 16, 2018 at 11:28 AM, David Sycamore via SeqFan <
> > > seqfan at list.seqfan.eu> wrote:
> > > >>
> > > >> n such that (prime(n)^n - 3) is prime gives 11 results so far
> (Maple):
> > > >>
> > > >> 2,4,18,19,20,21,31,38,82,94,212
> > > >>
> > > >> Are there any more?
> > > >>
> > > >> Thanks,
> > > >> David.
>
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