a(n) = sigma_13(n), the sum of the 13th powers of the divisors of n.
A013961
a(n) = sigma_13(n), the sum of the 13th powers of the divisors of n.
Terms
- a(0) =1a(1) =8193a(2) =1594324a(3) =67117057a(4) =1220703126a(5) =13062296532a(6) =96889010408a(7) =549822930945
External references
- oeis: A013961