Primes of the form k!6-4, where k!6 is the sextuple factorial number (A085158).

A289550

Primes of the form k!6-4, where k!6 is the sextuple factorial number (A085158).

Terms

    a(0) =2a(1) =3a(2) =23a(3) =401a(4) =8501a(5) =229631a(6) =623641

External references