475897

Properties

Appears in sequences

• a(n) = 3*a(n-2) - a(n-3) with a(0)=-1, a(1)=1, a(2)=-4.at n=21A214779
• Primes p for which exactly six bases b with 1 < b < p exist such that p is a base b Wieferich prime.at n=26A255209
• Prime numbersat n=39696