[seqfan] Re: Comment on A068982 and The Global Cohen-Lenstra Heuristic

Georgi Guninski guninski at guninski.com
Sun Jan 3 20:26:01 CET 2010


On Sun, Jan 03, 2010 at 09:08:10AM -0400, Maximilian Hasler wrote:
> > are there other sequences in OEIS resulting from group operations?
> 
> All sequences in OEIS (which have offet <= 1)
> arise in that form from the group operation "+"
> starting with generator  g=1:
> g^n = n (e.g. g^3 = 1+1+1)
> a(n) = a( g^n )
> 
> (The map from the group to Z is nothing else than the original
> map/sequence a().)
>

ok, thanks for catching this.
what are the sequences with more than 1 map? :-)






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