Leading term of Stirling's approximation to n!, sqrt(2*Pi)*n^(n+(1/2))/e^n, rounded down.
A005393
Leading term of Stirling's approximation to n!, sqrt(2*Pi)*n^(n+(1/2))/e^n, rounded down.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =5a(4) =23a(5) =118a(6) =710a(7) =4980a(8) =39902a(9) =359536a(10) =3598695a(11) =39615625a(12) =475687486a(13) =6187239475a(14) =86661001740
External references
- oeis: A005393