[seqfan] Re: Definition of A023200
Klaus Brockhaus
klaus-brockhaus at t-online.de
Fri Mar 5 08:39:48 CET 2010
I categorically vote for restoring the original definition, unless David
Wilson, the author of A023200, decides differently. Whatever is done,
restitution or change, should be documented in an *additional* extension
line.
Klaus
Charles Greathouse schrieb:
> I prefer
> %N A023200 Primes p such that p+4 is prime.
>
>
> 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?
>>
>>
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