Permutations: Adjacent Elements Are Coprime

[Vladeta Jovovic]

Re: Permutations: Adjacent Elements Are Coprime= n*A086595(n).

V.

  2 6 8 60 24 504 576 6480

  Zak

    -----Original Message----- 
    From: Emeric Deutsch [mailto:deutsch at duke.poly.edu] 
    Sent: Mon 3/28/2005 9:39 PM 
    To: Joshua Zucker 
    Cc: Leroy Quet; seqfan 
    Subject: Re: Permutations: Adjacent Elements Are Coprime


    What if we ask in addition that also first and last entries be
    relatively prime?

    I got 2,6,8,60,24,504 for n=2..7. Not in OEIS.
    Emeric



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