The (n!)-th composite number.

Terms

a(0) =4a(1) =6a(2) =12a(3) =36a(4) =158a(5) =871a(6) =5802a(7) =44996a(8) =396465a(9) =3905769a(10) =42492571a(11) =505638346a(12) =6530063762a(13) =90937897520