a(n) = sigma_15(n), the sum of the 15th powers of the divisors of n.

A013963

a(n) = sigma_15(n), the sum of the 15th powers of the divisors of n.

Terms

    a(0) =1a(1) =32769a(2) =14348908a(3) =1073774593a(4) =30517578126a(5) =470199366252

External references