3rd differences of factorial numbers.

A001565

3rd differences of factorial numbers.

Terms

    a(0) =2a(1) =11a(2) =64a(3) =426a(4) =3216a(5) =27240a(6) =256320a(7) =2656080a(8) =30078720a(9) =369774720a(10) =4906137600a(11) =69894316800

External references