Primes of the form k!*(k+1)! - 1 or k!*(k+1)! + 1.

A176038

Primes of the form k!*(k+1)! - 1 or k!*(k+1)! + 1.

Terms

    a(0) =2a(1) =3a(2) =11a(3) =13a(4) =2879a(5) =86399

External references