[seqfan] Re: bracelets versus Young Tableaux (A000085)

Neil Sloane njasloane at gmail.com
Sun Feb 3 01:13:04 CET 2013


Sequence A000085 has several other interpretations and one way to attack
the problem would be to start by collecting all the known bijections
between them. That entry has a lot of references.
Neil

On Sat, Feb 2, 2013 at 6:31 PM, Don Reble <djr at nk.ca> wrote:

> does anybody know of a one-to-one relation between
>> bracelets of 2n+1 beads with n+1 black ones and n white ones,
>> and Young Tableaux (or involutions) of the partitions of n?
>>
>
>    Alas, I don't. Furthermore: Knuth, TAOCP, vol 3, section 5.1.4, page
>    63 (second printing) looks pretty discouraging; so you might regret
>    looking there.
>
>    (On the other hand, there's a mild chuckle amidst page 66 (the
>    "laborious calculation" sentence)).
>
> --
> Don Reble  djr at nk.ca
>
>
>
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> 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



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