[seqfan] Re: Definition of A023200
Charles Greathouse
charles.greathouse at case.edu
Fri Mar 5 04:35:53 CET 2010
I prefer
%N A023200 Primes p such that p+4 is prime.
Charles Greathouse
Analyst/Programmer
Case Western Reserve University
On Thu, Mar 4, 2010 at 9:14 PM, Klaus Brockhaus
<klaus-brockhaus at t-online.de> wrote:
> Vincenzo,
>
> I happened to look at A023200 and saw that some time ago you corrected
> the definition.
>
> %N A023200 Primes p such that p and p + 4 are both primes.
> %E A023200 Definition corrected by Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 02 2009
>
> In my view this definition is somewhat clumsy, it contains the
> redundancy "Primes p such that p is prime".
> Possibly better definitions are
>
> %N A023200 Numbers n such that n and n+4 are prime.
> %N A023200 Primes p such that p+4 is prime.
>
> Would you please tell which wording the definition had before you
> corrected it?
>
> Thanks,
> Klaus
>
>
>
>
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