[seqfan] Re: Arrays with interior sorting, guess the series

[Ron Hardin]

Hey you're right!  I miscalculated that one, taking the degree from the linear 
recurrence relation instead of the polynomial finder.

Never do anything in your head.

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



----- Original Message ----
> From: Douglas McNeil <mcneil at hku.hk>
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Sent: Wed, January 12, 2011 11:44:08 PM
> Subject: [seqfan] Re: Arrays with interior sorting, guess the series
> 
> On Thu, Jan 13, 2011 at 1:23 PM, Ron Hardin <rhhardin at att.net> wrote:
> > what's  2,8,16,30,50,77,112 ?
> 
> If the 8 were 7, it'd look a lot like A005581,  (n-1)*n*(n+4)/6:
> 
> 0, 0, 2, 7, 16, 30, 50, 77, 112.
> 
> so possibly  perturbing that in some way might help.
> 
> 
> Doug
> 
> -- 
> Department  of Earth Sciences
> University of Hong  Kong
> 
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