a(n) = (4*(n+1)^n + (n-9)^n)/5.

A083308

a(n) = (4*(n+1)^n + (n-9)^n)/5.

Terms

    a(0) =1a(1) =0a(2) =17a(3) =8a(4) =625a(5) =6016a(6) =94265a(7) =1677696a(8) =34437377a(9) =800000000a(10) =20749939681a(11) =594406696960

External references