[seqfan] Re: Computing more terms of draft sequence A343745

Neil Sloane njasloane at gmail.com
Sat May 1 17:34:00 CEST 2021


I have replaced A343745 by a comment in A000928.

Best regards
Neil

Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com



On Fri, Apr 30, 2021 at 11:07 PM D. S. McNeil <dsm054 at gmail.com> wrote:

> I think rgvw and I took the part after "i.e." as defining what "consecutive
> irregular pair" meant:
>
>    Consecutive irregular pairs, i.e., primes p where an integer k exists
> such
>    that p divides the numerators of the Bernoulli numbers B_{2k} and
> B_{2k+2}."
>
> Since 37 is prime (even an irregular prime!) and 37 divides B_{2*555} and
> B_{2*555+2}, this seems like it would satisfy the condition as written.
>
> But this violates the additional k,p constraint that Tom Duff explained.
>
>
> Doug
>
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> Seqfan Mailing list - http://list.seqfan.eu/
>



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