[seqfan] Re: Condom sequence
Tanya Khovanova
mathoflove-seqfan at yahoo.com
Fri Sep 4 00:08:26 CEST 2009
This is different from the classical condom problem.
--- On Thu, 9/3/09, Jonathan Post <jvospost3 at gmail.com> wrote:
> From: Jonathan Post <jvospost3 at gmail.com>
> Subject: [seqfan] Re: Condom sequence
> To: "Sequence Fanatics Discussion list" <seqfan at list.seqfan.eu>
> Date: Thursday, September 3, 2009, 6:04 PM
> Weisstein, Eric W. "Glove Problem."
> From MathWorld--A Wolfram Web
> Resource. http://mathworld.wolfram.com/GloveProblem.html
>
> Also known as:
>
> Condom Problem
>
> Cf. A155940
>
>
>
> On Thu, Sep 3, 2009 at 2:57 PM, Tanya
> Khovanova<mathoflove-seqfan at yahoo.com>
> wrote:
> > Hello all,
> >
> > I just wrote a piece that might contain a new
> sequence:
> > http://blog.tanyakhovanova.com/?p=168
> >
> > The sequence is related to the generalization of the
> following math problem:
> >
> > Suppose three gay men all want to have sex with each
> other and every pair among them wants to do two penetrative
> sexual acts, switching roles. They want to avoid
> contaminating each other, and in addition, each man also
> does not want to cross-contaminate himself from either
> region to the other. How can they do that using exactly
> three condoms?
> >
> > a(2) = 2,
> > a(3) = 3,
> > a(4) = 4.
> >
> >
> > _______________________________________________
> >
> > Seqfan Mailing list - http://list.seqfan.eu/
> >
>
>
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>
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