[seqfan] Re: Zeros in sequences; old subject was: problems with A022920

[Neil Sloane]

These days, if the sequence is sufficiently important,
we might include both versions (with zeros, without zeros).
So there would be two sequences.

We have more space now than when the OEIS was a book!

I think the one without zeros gets precedence,
on the general principle that it is the more primitive
version, and therefore the one that a mathematician would look for first.

But we can have both.

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 Sat, Aug 8, 2015 at 11:36 AM, David Corneth <davidacorneth at gmail.com>
wrote:

> So one wouldn't generally change elements of older sequences (unless they
> are wrong) I suppose. For the new sequences by Maximilian, if I was to look
> for those sequences (without knowing about the rule about removing these
> zeroes) then I guess I'd first look with the zero's every second element.
> If nothing pops up then I'd try again without the zeroes. Alternatively
> maybe, if they'll be submitted without the zeroes, put the first ten or so
> elements of the seq. with the zero's in a comment so they might be found
> with a search anyway?
>
> On Sat, Aug 8, 2015 at 3:27 AM, Heinz, Alois <alois.heinz at hs-heilbronn.de>
> wrote:
>
> > Am 08.08.2015 um 00:25 schrieb David Corneth:
> > > Yes, that's what I mean, thank you. It doesn't change my initial
> question
> > > though. (I heard this myself once on the sequence
> > > http://oeis.org/history?seq=A254129&start=40 which is why I asked
> here.)
> >
> >
> > From:
> >
> > http://oeis.org/wiki/Style_Sheet#Data
> >
> >    "If every second term is zero (A, 0, B, 0, C, 0, D, 0, E, ...) then
> > normally we omit
> >    the zeros and list the sequence as A, B, C, D, E, ..."
> >
> > There may be some rare exceptions to this rule in the OEIS.
> > Sometimes it is not clear from the beginning that the terms behave like
> > this.
> >
> > But old sequences (A022920 is from 1998) will not be reformatted.
> >
> > Best regards,
> >
> > Alois
> >
> >
> >
> >
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> >
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> >
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