[seqfan] Re: Could I add this conjecture to A004767 4*n+3?

Tw Mike mt.kongtong at gmail.com
Sun Jul 13 14:37:11 CEST 2014


Thanks for your propose.  "It is conjectured" means  I dont know who was
the original author.

Yours mike,


2014-07-13 20:06 GMT+08:00 M. F. Hasler <oeis at hasler.fr>:

> Dear all,
> I propose the new sequence
> A245203: Least k>=0 such that A004767(n) = 4n+3 is the mean of primes
> 4(n-k)+3 and 4(n+k)+3; or -1 if no such k exists.
> I put a link to Mike's initial post to the SeqFan list.
> I also propose a link to that sequence in A002145 .
> I'm not sure what precisely is meant by "It is conjectured", feel free
> to amend if there's an earlier reference to that conjecture.
>
> Maximilian
>
> On Fri, Jul 11, 2014 at 2:09 AM, Tw Mike <mt.kongtong at gmail.com> wrote:
> > Thanks. A002145 is very interesting. I'll try to add this conjecture to
> > A002145.
> >
> > Yours mike,
> >
> >
> > 2014-07-10 23:24 GMT+08:00 Frank Adams-Watters <franktaw at netscape.net>:
> >
> >> I would think that A002145 would be a better place for it.
> >>
> >> Franklin T. Adams-Watters
> >>
> >>
> >> -----Original Message-----
> >> From: Tw Mike <mt.kongtong at gmail.com>
> >> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> >> Sent: Thu, Jul 10, 2014 7:41 am
> >> Subject: [seqfan] Could I add this conjecture to A004767 4*n+3?
> >>
> >>
> >> Dear seqfans,
> >>
> >> A004767 4*n+3:
> >> 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, ...
> >>
> >> It is conjectured that A004767(n) either is a prime or is the average of
> >> two primes which are terms of this sequence.
> >>
> >> Joerg says this sequence is hardly about primes. Could I add this
> >> conjecture to A004767?
> >>
> >> Yours mike,
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>



More information about the SeqFan mailing list