[seqfan] Re: A174397 and primes with negative value.
T. D. Noe
noe at sspectra.com
Fri Mar 19 23:42:38 CET 2010
>-----Original Message-----
>From: Richard Mathar <mathar at strw.leidenuniv.nl>
>
>V. Orlovsky is defending his definition in A174397 (with negative
>numbers,
>obviously) with a link to
>http://primes.utm.edu/notes/faq/negative_primes.html
>arguing that primes can be negative numbers, so the mention of absolute
>values in the definition is not needed. I cannot make friend with that
>idea.
>Is there a general consensus (at least within the OEIS) that primes are
>>=2 ?
IMHO, in OEIS we should take "prime" to a positive number. Why complicate
matters? I think that the terms of this sequence should be negated so that
only the first two are negative.
Tony
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