[seqfan] Re: M- and N-numbers

Neil Sloane njasloane at gmail.com
Sun Jun 10 18:55:29 CEST 2012


Looking into this further, I see that N2372 should not really have been
duplicated,
and I deleted one of the two occurrences.

I will also take care of the missing N2353.

Charles, can you send me the full list of duplicates and omissions that you
found,
and I will try to clean them up?

Thanks!

Neil

On Sun, Jun 10, 2012 at 12:45 PM, Neil Sloane <njasloane at gmail.com> wrote:

> Thanks for noticing those discrepancies. The duplicate M0001 was certainly
> an error in the OEIS and it is good that this has been corrected.
>
> As for other missing or duplicated N- and M- numbers, these were deliberate
> actions on my part, to correct errors in those two books. Some of
> the errors were my fault, but not many! Most were caused by errors
> in the published literature.
>
> Neil
>
>
> On Sun, Jun 10, 2012 at 7:43 AM, Olivier Gerard <olivier.gerard at gmail.com>wrote:
>
>> Charles,
>>
>> Thanks a lot for finding these discrepancies !
>>
>> Concerning   M001, the second result is
>>
>> https://oeis.org/A189849/internal
>>
>> which is marked as formerly M001.  This is not possible
>> for this sequence was created in 2011 !
>>
>> Looking at the deep history, it shows that this was
>> entered manually by the author, Stewart Herring.
>> It should be edited. I will do it now.
>>
>>
>> For the next case signaled by Charles, the trouble was
>> already in the EIS :
>>
>> A000521  and A007240  both point to N2372 in it, but that's
>> normal because they just differ by one element and refer
>> to the same underlying objects.  The reference to the Handbook
>> was later split in the Encyclopedia.
>>
>>
>> Olivier
>>
>>
>>
>> On Sun, Jun 10, 2012 at 1:22 PM, Matthew Vandermast
>> <ghodges14 at comcast.net>wrote:
>>
>> > Interesting. For what it's worth, my EIS (now falling apart!) does
>> indeed
>> > list only one M0001, the sequence that is now best known as A000035 (
>> > https://oeis.org/A000035)
>> >
>> > Regards,
>> > Matt Vandermast
>> >
>> > ----- Original Message -----
>> > From: Charles Greathouse <charles.greathouse at case.edu>
>> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
>> > Sent: Sun, 10 Jun 2012 06:30:06 -0000 (UTC)
>> > Subject: [seqfan] M- and N-numbers
>> >
>> > Sequences published in the HIS or EIS have N- or M-numbers in addition
>> > to their (absolute) A-numbers.  While looking into these numbers
>> > yesterday I saw that some numbers do not appear and others are
>> > duplicated:
>> > id:M0001
>> > id:N2372
>> > id:N2353
>> > id:N2345
>> > etc.
>> >
>> > What's going on?
>> >
>> > Charles Greathouse
>> > Analyst/Programmer
>> > Case Western Reserve University
>> >
>> > _______________________________________________
>> >
>> > Seqfan Mailing list - http://list.seqfan.eu/
>> >
>> > _______________________________________________
>> >
>> > Seqfan Mailing list - http://list.seqfan.eu/
>> >
>>
>> _______________________________________________
>>
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>>
>
>
>
> --
> Dear Friends, I have now retired from AT&T. New coordinates:
>
> Neil J. A. Sloane, President, OEIS Foundation
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA
> Phone: 732 828 6098; home page: http://NeilSloane.com
> Email: njasloane at gmail.com
>
>
>


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

Neil J. A. Sloane, President, OEIS Foundation
11 South Adelaide Avenue, Highland Park, NJ 08904, USA
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com



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