340939

Properties

Appears in sequences

• Define b(0)=28, b(n+1)=2*b(n)+1; sequence gives largest prime factor of b(n).at n=33A113972
• Primes p such that p-2, p-6, p-12, p-20, p-30, and p-42 are prime.at n=3A144050
• Prime numbersat n=29263