Sum_{k=1..n} p(k)*mu(k).

Terms

a(0) =2a(1) =-1a(2) =-6a(3) =-6a(4) =-17a(5) =-4a(6) =-21a(7) =-21a(8) =-21a(9) =8a(10) =-23a(11) =-23a(12) =-64a(13) =-21a(14) =26a(15) =26a(16) =-33a(17) =-33a(18) =-100a(19) =-100a(20) =-27a(21) =52a(22) =-31a(23) =-31a(24) =-31a(25) =70a(26) =70a(27) =70a(28) =-39a(29) =-152