[seqfan] Re: Definition of A023200

[Charles Greathouse]

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
>
>
>
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>