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sweety439 · 2017-01-24, 16:05

There is not a Sierpinski base if and only if k is of the form 2^r-1.

There is not a Riesel base if and only if k is of the form 2^r+1.

2017-01-24, 16:05	#5
sweety439 Nov 2016 5404₈ Posts	There is not a Sierpinski base if and only if k is of the form 2^r-1. There is not a Riesel base if and only if k is of the form 2^r+1.