[seqfan] Re: Correcting A002932 (n-step walks on square lattice)

Douglas McNeil mcneil at hku.hk
Mon Nov 22 17:19:16 CET 2010

On Mon, Nov 22, 2010 at 9:24 PM, Joseph S. Myers <jsm at polyomino.org.uk> wrote:

> The last term given of the sequence, 396204, disagrees with my
> calculations; I get 396172 although my program agrees with the earlier
> terms.  Before I make corrections (and extensions - I have eight more
> terms) to this sequence, could someone confirm whether they get the figure
> I do or the figure in the sequence (which is accurately transcribed from
> the Fisher and Hiley reference)?

A quick enumeration seems to agree with your value:

13 167468
14 396172
15 932628
16 2201636


Department of Earth Sciences
University of Hong Kong

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