Primes of the form Sum_{i=1..k} (-1)^(k-i)*i!.

A071828

Primes of the form Sum_{i=1..k} (-1)^(k-i)*i!.

Terms

    a(0) =5a(1) =19a(2) =101a(3) =619a(4) =4421a(5) =35899a(6) =3301819

External references