a(n) = n!*n^n - ((n^(n+1)-1)/(n-1) - 1) for n>1 with a(1)=0.
A088055
a(n) = n!*n^n - ((n^(n+1)-1)/(n-1) - 1) for n>1 with a(1)=0.
Terms
- a(0) =0a(1) =2a(2) =123a(3) =5804a(4) =371095a(5) =33536334a(6) =4149695921a(7) =676438175160
External references
- oeis: A088055