[seqfan] Re: 2.a(n) = a(a(n))

[Charles Greathouse]

Maybe we should have an index entry for sequences of the form "choose
the least x not yet present such that" or "choose the least x greater
than the last term such that".

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Wed, Nov 4, 2009 at 10:31 AM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
>
>
> Some nice computations and graphs by Jean-Marc Falcoz (many
> thanks to him):
> http://www.cetteadressecomportecinquantesignes.com/AdeAdeN.htm
> Best,
> É.
>
>
>
> -----Message d'origine-----
> De : seqfan-bounces at list.seqfan.eu
>  [mailto:seqfan-bounces at list.seqfan.eu]
> De la part de Eric Angelini
> Envoyé : lundi 2 novembre 2009 0:17
> À : Sequence Fanatics Discussion list; Sequence Fanatics Discussion list
> Objet : [seqfan] 2.a(n) = a(a(n))
>
>
>
> Hello SeqFans,
>
> Seq starts like this (I guess):
> 2,4,1,8,6,12,9,16,18,11,22,24,14,28,17,32,34,36,20,40,23,44,46,48,26,52,29,56,...
> (always take the smallest a(n) not yet present and not leading to a contradiction)
>
> Best,
> E.
>
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