[seqfan] Re: Wieferich, Wilson and Wolstenholme primes less than 10^n

[Neil Sloane]

The rejected sequences all had a LOT of zero terms, and one or two or in
one case three nonzero terms.  Considered purely as sequences, they were
not very interesting, and did not warrant
having their own entries.

A sequence like 0 0 0 0 0 0 0 0 1 doesn't deserve its own entry.
That probably was not one of yours, but it is similar.

The best thing to do is to add the content of the sequence as a comment on
the underlying sequence.

Say as a comment, not as a new sequence, that *****  is 1 1 1 0,0,0,0,...

Best regards

Neil


On Tue, Aug 19, 2014 at 12:39 PM, Felix Fröhlich <felix.froe at googlemail.com>
wrote:

> Hi,
>
> I recently drafted four sequences, whose addition to the OEIS was rejected.
> I am not complaining about the rejection, but I would like to gather some
> opinions on whether such sequences in general should be in the OEIS or not.
> The sequences gave the number of Wall-Sun-Sun, Wieferich, Wilson and
> Wolstenholme primes in the interval [10^n, 10^(n+1)] (see A244801, A001220,
> A007540 and A088164 for definitions of these primes).
>
> All of those sequences consisted of a lot of zeros. There is currently no
> known Wall-Sun-Sun prime and it is an open problem whether any such prime
> exists. The sequence for Wilson primes for example started (with offset 0)
> 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.
>
> My question is, should those sequences be in the OEIS, maybe in another
> form? In order to avoid the many zeros, the definition could be changed to
> "a(n) = number of W...... primes less than 10^n". For the Wilson primes,
> for example, this would give the sequence (with offset 1): 1, 2, 3, 3, 3,
> 3, 3, 3, 3, 3, 3, 3, 3
>
> Further terms are currently unknown. The latest search went to 2*10^13
> according to the results reported in http://arxiv.org/abs/1209.3436
>
> Would those adjusted sequences make sense?
>
>
> Regards,
>
> Felix
>
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>



-- 
Dear Friends, I have now retired from AT&T. New coordinates:

Neil J. A. Sloane, President, OEIS Foundation
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