[seqfan] Re: Excess permutation left moves over right moves

[Ron Hardin]

or maybe 4 5 6 7 ...  (3 would be a(0))

 rhhardin at mindspring.com
rhhardin at att.net (either)



----- Original Message ----
> From: Ron Hardin <rhhardin at att.net>
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Sent: Sun, July 18, 2010 12:18:37 PM
> Subject: [seqfan] Re: Excess permutation left moves over right moves
> 
> So the gf denominator sequence  is
> (2*x-1)*(x-1)^3
> (2*x-1)^2*(x-1)^4
> (-1+3*x)*(2*x-1)^3*(x-1)^5
> (-1+3*x)^2*(2*x-1)^4*(x-1)^6
> 
> which  is probably as many as I can compute enough sequence terms for.
> 
> On the  top end, you can add the sequence 1 1 1 1 1  ...
> and the sequence   3 4 5 6 7...
> 
> what are the gf denominators for those?
> 
> rhhardin at mindspring.com
> rhhardin at att.net (either)
> 
> 
> 
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