a(n) = (n-1)^a(1) + (n-2)^a(2) + (n-3)^a(3) + ... + 1^a(n-1).

A014645

a(n) = (n-1)^a(1) + (n-2)^a(2) + (n-3)^a(3) + ... + 1^a(n-1).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =16a(5) =101a(6) =66341

External references