[seqfan] Re: can anyone extend A006506?

Dan Dima dimad72 at gmail.com
Thu Jun 16 16:10:36 CEST 2011

There is any evidence of 3-dimensional extension ?

On Thu, Jun 16, 2011 at 8:16 AM, N. J. A. Sloane <njas at research.att.com>wrote:

> Dear SeqFans, I came across a paper by Stosic et al. which mentions
> A006506,
> and in fact quotes the Maple program in that entry (in Jnl. Physics A,
> I added the reference).
> So I tried running that Maple program myself, thinking I would
> compute at least a few more terms,
> but to my surprise, the program gives different values from the sequence.
> Yet it is exactly the same program that Stosic quotes.
> I admit I don't understand the Maple program, which came originally
> from Paul Zimmermann. But it isn't working. Maple something changed
> in Maple since 1999? So that the program now gives different answers?
> Can some Maple expert explain what is going on? And compute some
> more terms?
> It looks like a very interesting sequence.
> Neil
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