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

A332655

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

Terms

    a(0) =1a(1) =2a(2) =10a(3) =84a(4) =1301a(5) =15693a(6) =376762a(7) =6168552a(8) =176787631a(9) =3770427352a(10) =142364319626

External references