a(n) = (1/n) * Sum_{k=1..n} n^(n/gcd(n, k)).
A332621
a(n) = (1/n) * Sum_{k=1..n} n^(n/gcd(n, k)).
Terms
- a(0) =1a(1) =3a(2) =19a(3) =133a(4) =2501a(5) =15631a(6) =705895a(7) =8389641a(8) =258280489a(9) =4000040011a(10) =259374246011
External references
- oeis: A332621