Expansion of 1/(1 - Sum_{k>=1} mu(k)*x^k), where mu() is the Moebius function (A008683).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-2a(4) =-3a(5) =-2a(6) =3a(7) =8a(8) =8a(9) =-2a(10) =-16a(11) =-24a(12) =-10a(13) =24a(14) =59a(15) =54a(16) =-11a(17) =-117a(18) =-174a(19) =-90a(20) =162a(21) =431a(22) =449a(23) =-20a(24) =-835a(25) =-1393a(26) =-848a(27) =1062a(28) =3352a(29) =3748