12/29/2015, 10:51 PM

(12/27/2015, 11:40 PM)sheldonison Wrote: Thanks for your reply. Oops; I had a typo in my 2nd derivative which I fixed. I have a pari-gp program, that calculate the coefficients iteratively.

I don't think there was a typo, if you multiply the numerator and denominator by and distribute, I think it's the same.