a(n) = Sum_{d|n} Sum_{p|n, p prime} n^lcm(d,p).
A351845
a(n) = Sum_{d|n} Sum_{p|n, p prime} n^lcm(d,p).
Terms
- a(0) =0a(1) =8a(2) =54a(3) =288a(4) =6250a(5) =187128a(6) =1647086a(7) =16781440a(8) =387421947a(9) =40000200200a(10) =570623341222
External references
- oeis: A351845