a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 16.
A161139
a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 16.
Terms
- a(0) =1a(1) =32767a(2) =7174453a(3) =536854528a(4) =7629394531a(5) =235085301451a(6) =791260251657
External references
- oeis: A161139