554633

Properties

Appears in sequences

• Primes p such that p-6^3, p-6^2, p-6, p, p+6, p+6^2 and p+6^3 are primes.at n=15A141280
• a(n) = Sum_{d|n} (n/d)^(phi(n/d) - 1).at n=13A345269
• a(n) = (1/2)*(A005258(n) + A005258(n-1)).at n=6A352655
• Prime numbersat n=45670