[seqfan] Re: Orders of Fibonacci groups (A202624)

Max Alekseyev maxale at gmail.com
Fri Dec 30 02:20:17 CET 2011

Neil, I have a formatting question - why did you choose -1 rather than
0 to denote infinity (i.e., the order of infinite group)?
Since 0 cannot appear in this sequence, it represent a natural
substitute for infinity (that would make the sequence nonnegative).


P.S. (going ontopic) if you give references to particular papers - I
can look up them in our network.

On Thu, Dec 29, 2011 at 3:10 PM, N. J. A. Sloane <njas at research.att.com> wrote:
> Dear Seq Fans, I just added A202624, an array giving the orders of
> the Fibonacci groups, based on Johnson's 1976 table.
> This is a fairly wild table!
> Math Sci Net turned up several later papers (especially those by
> Chalk, Nikolova, Thomas) which I don't have access to - can anyone locate them?
> I added references to them in A202624.
> That reminds me: I will lose access to MSN in 2 days, since our library
> is not renewing the subscription (reasonable, since I'm the only
> user and the fee is going to increase a lot in 2012). This is a pity,
> because I use it a lot when searching for references to add to
> entries in the OEIS, and for simply checking references.
> Neil
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