Sum of n-th powers of unitary divisors of n (d such that d divides n, gcd(d, n/d) = 1).

A238981

Sum of n-th powers of unitary divisors of n (d such that d divides n, gcd(d, n/d) = 1).

Terms

    a(0) =1a(1) =5a(2) =28a(3) =257a(4) =3126a(5) =47450a(6) =823544a(7) =16777217a(8) =387420490a(9) =10009766650a(10) =285311670612

External references