Primes of the form k!3-81, where k!3 is the triple factorial number (A007661).

A289819

Primes of the form k!3-81, where k!3 is the triple factorial number (A007661).

Terms

    a(0) =199a(1) =3559a(2) =12239a(3) =209359a(4) =4188719a(5) =2504902319a(6) =72642169519a(7) =528271743919

External references