a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 12.
A161004
a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 12.
Terms
- a(0) =4095a(1) =8382465a(2) =362706435a(3) =8583644160a(4) =49987791945a(5) =742460072445
External references
- oeis: A161004