[seqfan] Re: Wiener index of n X k grid

[Richard Mathar]

http://list.seqfan.eu/pipermail/seqfan/2012-January/016287.html says

ej> Finally, the current version of A143368 gives (if I'm not mistaken) the
ej> triangle
ej> 
ej> 0
ej> 1,8
ej> 4,25,72
ej> ...
ej> 
ej> which is clearly incorrect: for example, it can be shown that the Wiener
ej> index for a n X 1 grid (n>=1) is given by the sequence {1,8,25,...}, which
ej> is column 1 of the proposed corrected version of the triangle.

Emeric's terms are correct. I've added more examples to A143368 to illustrate 
this point.

RJM