a(n) = n^(n+1)-(n+1)^n+1-(-1)^prime(n+1)-(-1)^(n+1).
A141074
a(n) = n^(n+1)-(n+1)^n+1-(-1)^prime(n+1)-(-1)^(n+1).
Terms
- a(0) =0a(1) =0a(2) =2a(3) =18a(4) =402a(5) =7850a(6) =162290a(7) =3667650a(8) =91171010a(9) =2486784402a(10) =74062575402
External references
- oeis: A141074