[seqfan] Re: Inconsistencies in OEIS

Charles Greathouse charles.greathouse at case.edu
Thu Sep 17 18:55:18 CEST 2015


I can imagine nice with any of obsc, unkn, and uned. I've seen submissions
which were definitely nice sequences but which required large amounts of
editing; without the editing the sequence would have been nice and uned.
It's harder to imagine an obsc/unkn sequence being nice, but suppose the
supersingular primes were submitted (sufficiently long ago that they were
unknown), but with a tantalizing description hinting at moonshine. Not
likely, for sure, but probably not wrong by definition.

I might argue that probation is incompatible with core, though: we wouldn't
delete a core sequence, but that's the purpose of probation. But maybe
there's a scenario like the above I haven't considered.

I did think of another forbidden combination, though: full and more.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Thu, Sep 17, 2015 at 12:35 PM, Max Alekseyev <maxale at gmail.com> wrote:

> Similarly, "nice" and "uned", or "nice" and "unkn" is probably is a no-no
> combination.
>
> On Thu, Sep 17, 2015 at 11:43 AM, Frank Adams-Watters <
> franktaw at netscape.net
> > wrote:
>
> > "nice" should also never appear with "obsc".
> >
> > Franklin T. Adams-Watters
> >
> > -----Original Message-----
> > From: Charles Greathouse <charles.greathouse at case.edu>
> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> > Sent: Thu, Sep 17, 2015 10:30 am
> > Subject: [seqfan] Re: Inconsistencies in OEIS
> >
> >
> > > If there are any more combinations of keywords that should trigger
> > warnings
> > I'd like to know. I currently have:
> > >
> > > - "full" without "fini" -->
> > warning (never occurs).
> > > - "tabl" and "tabf" together --> warning (occurred 1
> > time, fixed now).
> >
> > Let's see. Keywords "recycled", "allocated", and "allocating"
> > should never
> > appear with other keywords. Really keyword:dead should also appear
> > alone,
> > but in practice there are cases where it does not (I count 54).
> >
> > kw:nice
> > should never appear with kw:less.
> >
> > kw:easy should never appear with
> > kw:hard.
> >
> > kw:nonn should never appear with kw:sign.
> >
> > The keywords done, dupe,
> > huge, and part have been deprecated and should not
> > be used in any
> > sequences.
> >
> > Charles Greathouse
> > Analyst/Programmer
> > Case Western Reserve
> > University
> >
> > On Thu, Sep 17, 2015 at 2:01 AM, Sidney Cadot <sidney at jigsaw.nl>
> > wrote:
> >
> > > Hi,
> > >
> > > > I fixed 21 sequences that had such an error. But you might
> > check that
> > > > I caught them all.
> > >
> > > It seems so - and from what I can tell you
> > also took care of all
> > > entries with superfluous commas, so that should care of
> > issues (P11)
> > > and (P13) on the list.
> > >
> > > It will take ~ 1.5 weeks for my local
> > copy of the database to refresh
> > > the entire database, which will allow the
> > parser to check the fixes
> > > automatically; this is because I get all data via
> > HTTP and I throttle
> > > access to under a thousand requests per hour. In fact
> > while starting
> > > this project I went beyond that, which may show up in the
> > server usage
> > > statistics and I hope this hasn't cause performance issues -- if
> > so I
> > > apologize.
> > >
> > > If there is a more direct way to access the data that
> > doesn't burden
> > > the server as much, I'd be happy to implement it. Also, if
> > there is
> > > interest to automate the process of detecting issues in the
> > database,
> > > I will be happy to hand over my scripts once they have
> > stabilized.
> > >
> > > > There was one that had both tabl and tabf keywords.
> > > > I
> > don't know if you considered that an error - it is
> > >
> > > I added that condition as
> > a check and re-ran, A212013 seems to have
> > > been the only entry that had this
> > particular combination.
> > >
> > > If there are any more combinations of keywords that
> > should trigger
> > > warnings I'd like to know. I currently have:
> > >
> > > - "full"
> > without "fini" --> warning (never occurs).
> > > - "tabl" and "tabf" together -->
> > warning (occurred 1 time, fixed now).
> > >
> > > Kind regards
> > >  Sidney
> > >
> > >
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