a(1) = 1, a(n) = (n^n-n)/(n-1)^2 for n >= 2.
A058128
a(1) = 1, a(n) = (n^n-n)/(n-1)^2 for n >= 2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =28a(4) =195a(5) =1866a(6) =22876a(7) =342392a(8) =6053445a(9) =123456790a(10) =2853116706a(11) =73686780564
External references
- oeis: A058128