[seqfan] Re: Another planetary sequence

[Charles Greathouse]

> If instead you start from the assumption that every useful and/or
interesting sequence is *already* in the OEIS, you will find yourself
pleasantly surprised when a sequence with a straightforward definition is
not in the OEIS, nor any variation of it that you can think of.

That's pretty much my approach. I've contributed to over 10,000 sequences
but only authored a few (maybe 300). Most of the time I think it's better
to enrich existing sequences than add new ones.

Charles Greathouse
Case Western Reserve University

On Thu, Sep 15, 2016 at 4:55 PM, Alonso Del Arte <alonso.delarte at gmail.com>
wrote:

> One thing I would emphasize from one of Joerg's message just a few messages
> ago in this thread is to not start from the point of view of wanting to add
> new sequence entries.
>
> If instead you start from the assumption that every useful and/or
> interesting sequence is *already* in the OEIS, you will find yourself
> pleasantly surprised when a sequence with a straightforward definition is
> not in the OEIS, nor any variation of it that you can think of.
>
> Also look at the sequences pertaining to chemical elements. Thanks to the
> periodic table, we can readily sort chemical elements that share a certain
> property by atomic number. But as soon as we start trying to sort them by
> weight of lightest or heaviest isotope, we're likely to run into problems
> where we need to put a bunch of asterisks in the Data field.
>
> Asterisks are my main problem with a lot of these planetary sequences.
>
> Al
>
> On Thu, Sep 15, 2016 at 4:45 PM, Frank Adams-Watters <
> franktaw at netscape.net>
> wrote:
>
> > Well, OK - but part of its fame is from its inclusion in the books and
> the
> > OEIS.
> >
> > Franklin T. Adams-Watters
> >
> >
> > -----Original Message-----
> > From: Neil Sloane <njasloane at gmail.com>
> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> > Sent: Thu, Sep 15, 2016 3:02 pm
> > Subject: [seqfan] Re: Another planetary sequence
> >
> > A53 is THE subway sequence, and it was one of the original sequencesin
> the
> > database in 1964.It is one of the first sequences that peopleask about
> > when they hear about the OEIS.It has appeared in many books,and it would
> of
> > course be accepted today.Right from the start, one of the explictly
> stated
> > goals of the OEIS was tohelp people solve IQ tests.Best regardsNeilNeil
> 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.comEmail: njasloane at gmail.comOn Thu, Sep 15, 2016 at
> > 3:57 PM, Frank Adams-Watters <franktaw at netscape.net>wrote:> One can't
> > always use what is in the OEIS as a guide to what will be> accepted.
> There
> > are a number of non-mathematical sequences added early on> that would not
> > be accepted today. A000053, as one example.>> Franklin T.
> Adams-Watters>>>>
> > --> Seqfan Mailing list - http://list.seqfan.eu/>--Seqfan Mailing list -
> > http://list.seqfan.eu/
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>
> --
> Alonso del Arte
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