[seqfan] Re: A one hundred dollars question

[peter.luschny]

PL> My guess is that Zeilberger already has a solution and will publish it soon
PL> after the deadline of the competition as a Maple script.

GG> On MO Zeilberger wrote he has faster method.

Does not come as a stunner.

GG> What is the period of the sequence mod p?

www.math.upenn.edu/~wilf/website/periodicities.pdf

GG> Any chance of faster pseudoprimality test?

I do not think so.