Primes of the form 1 + 0!*1!*2!*...*n! (subsequence of A019515).

A073828

Primes of the form 1 + 0!*1!*2!*...*n! (subsequence of A019515).

Terms

    a(0) =2a(1) =2a(2) =3a(3) =13a(4) =125411328001

External references