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davar55 · 2008-12-03, 20:26

Call a prime p "d-nice" if there is another prime of the form ap +/- b,
with 1 <= a,b <= d.

What are the smallest primes that are NOT d-nice,
for d = 1,2,3,4,5 (etc)?

2008-12-03, 20:26	#1
davar55 May 2004 New York City 2³·23² Posts	A Prime Sequence Call a prime p "d-nice" if there is another prime of the form ap +/- b, with 1 <= a,b <= d. What are the smallest primes that are NOT d-nice, for d = 1,2,3,4,5 (etc)?