619373

Properties

Appears in sequences

• Primes of the form p^2 + 4, where p is prime.at n=33A045637
• a(1)=5; thereafter a(2n) = nextprime(a(2n-1)^2), a(2n+1) = nextprime(floor(2*a(2n)/(a(2n-1) + 1))) where nextprime(.) is A007918(.).at n=15A181616
• Prime numbersat n=50569