[seqfan] Re: What does the G.f. mean in A138977 and A138978?

[israel at math.ubc.ca]

On Sep 2 2014, Wayne VanWeerthuizen wrote:


> Also, I am thinking there should be a clarification added to those 
> sequences simply saying that the matrix values are allowed to be 
> negative.

If you say "integer values" rather than "nonnegative integer values",
negative values are allowed.

Cheers,
Robert