Primes of the form primorial(P(k))/2-2.

A087398

Primes of the form primorial(P(k))/2-2.

Terms

    a(0) =13a(1) =103a(2) =1153a(3) =15013a(4) =255253a(5) =4849843a(6) =111546433a(7) =100280245063

External references