Primes of the form k!2+2, where k!2 is the double factorial number (A006852).
A288376
Primes of the form k!2+2, where k!2 is the double factorial number (A006852).
Terms
- a(0) =3a(1) =5a(2) =17a(3) =107a(4) =947a(5) =13749310577a(6) =316234143227
External references
- oeis: A288376