a(n) = (n-1)^F(n) - F(n)^(n-1), where F(n) = A000045(n).

A140892

a(n) = (n-1)^F(n) - F(n)^(n-1), where F(n) = A000045(n).

Terms

    a(0) =-1a(1) =0a(2) =0a(3) =0a(4) =399a(5) =357857a(6) =13055867207

External references