4th forward differences of factorial numbers A000142.
A001688
4th forward differences of factorial numbers A000142.
Terms
- a(0) =9a(1) =53a(2) =362a(3) =2790a(4) =24024a(5) =229080a(6) =2399760a(7) =27422640a(8) =339696000a(9) =4536362880a(10) =64988179200a(11) =994447238400
External references
- oeis: A001688