Leading term of Stirling's approximation to n!, sqrt(2*Pi)*n^(n+(1/2))/e^n, rounded to nearest integer.

A005394

Leading term of Stirling's approximation to n!, sqrt(2*Pi)*n^(n+(1/2))/e^n, rounded to nearest integer.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =6a(4) =24a(5) =118a(6) =710a(7) =4980a(8) =39902a(9) =359537a(10) =3598696a(11) =39615625a(12) =475687486a(13) =6187239475a(14) =86661001741

External references