[seqfan] Re: (0, 1, 2^2, 2*3, 2^3, 3^2, 2*5, 2^2*3, 2*7, 3*5, 2^4, 2*3^2, ..) becomes

[Jonathan Post]

I agree with Franklin T. Adams-Watters on 3 levels:

(1) as to the specific sequences in question;

(2) more generally, "aren't getting at anything; they're just made-up
sequences" applies the bulk of the contributions from "the usual
suspects."  Not that I'm harmless here, as I just make up some
sequences, but almost always in the context of generalizing something,
transforming or related existing OEIS sequences, finding a special
case of something for a given reason, or in "thinking with a pencil"
about something I've just read in a pure or applied math book or
paper.  I'm dubious about any new sequence which has no reference to
an arXiv paper, journal paper, book, or crossreference to other OEIS
sequence. Such inventions almost always (I admit exceptions) miss the
point of Mathematics as a collective enterprise.

(3) FTAW's citation was given by quotation, and is on point regarding
OEIS as an Epic enterprise, criticism, and parody, and self-parody,
which I slightly expand:

Beard, Henry N. and Douglas C. Kenny. Bored of the Rings: A Parody of
J.R.R. Tolkien's The Lord of the Rings. New York: ROC, 1969.

    The voice belonged to a man, a stranger to the boggies of the Bag
Eye, a stranger they had understandably overlooked because of his
rather ordinary black cape, black chain mail, black mace, black dirk,
and perfectly normal red glowing fires where his eyes should have
been.

    Frito rolled his eyes heavenward. It was going to be a long epic.

On Fri, Mar 26, 2010 at 3:35 PM,  <franktaw at netscape.net> wrote:
> It seems clear to me that they aren't getting at anything; they're just
> made-up sequences.
>
> Franklin T. Adams-Watters
>
> "Icky," said Moxie.  "Double icky," said Pepsi.
>
> -----Original Message-----
> From: Alonso Del Arte <alonso.delarte at gmail.com>
>
> What I would like to know is what problem these sequences have to do
> with,
> and if there is one core sequence (or at least a better explained
> sequence)
> from which the pattern of these can be figured out. I would volunteer to
> work on these if I had some clue as to what these are getting at.
>
> Al
>
> On Fri, Mar 26, 2010 at 4:57 PM, Charles Greathouse <
> charles.greathouse at case.edu> wrote:
>
>> There are a ~50 sequences of the form
>> (0, 1, 2^2, 2*3, 2^3, 3^2, 2*5, 2^2*3, 2*7, 3*5, 2^4, 2*3^2,..)
> becomes [x]
>> or
>> (0=0, 1=1, 2=2, 3=3, 4=2^2, 5=5, 6=2*3, 7=7, 8=2^3, 9=3^2, 10=2*5,
>> 11=11, 12=2^2*3, ..) becomes [x]
>> for various types of [x].  Here's a partial list:
>> http://oeis.org/classic/?q=author%3AGerasimov+name%3Abecomes
>>
>> Most of these sequences are not clearly defined (though not hard, in
>> most cases, to guess at the meaning) and have not been edited.  Any
>> thoughts on the sequences, or volunteers for checking/editing them?
>>
>> Charles Greathouse
>> Analyst/Programmer
>> Case Western Reserve University
>>
>>
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>>
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