166567

Properties

Appears in sequences

• a(n) = smallest prime q > a(n-1) such that 2*prime(n)*q^prime(n)+1 is also prime.at n=27A225747
• a(n) = Sum_{i=0..n} digsum(i)^4, where digsum(i) = A007953(i).at n=46A231689
• Prime numbersat n=15214