a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 11.

A160964

a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 11.

Terms

    a(0) =2047a(1) =2094081a(2) =60435628a(3) =1072169472a(4) =4997558082a(5) =61825647444a(6) =96371138776a(7) =548950769664

External references