a(n) = Sum_{k=1..n} n^(n/gcd(n, k)).

A332620

a(n) = Sum_{k=1..n} n^(n/gcd(n, k)).

Terms

    a(0) =1a(1) =6a(2) =57a(3) =532a(4) =12505a(5) =93786a(6) =4941265a(7) =67117128a(8) =2324524401a(9) =40000400110

External references