INVERT transform of A002321, Mertens's function.

Terms

a(0) =1a(1) =1a(2) =0a(3) =-2a(4) =-6a(5) =-10a(6) =-13a(7) =-10a(8) =4a(9) =36a(10) =84a(11) =137a(12) =159a(13) =94a(14) =-133a(15) =-573a(16) =-1197a(17) =-1788a(18) =-1864a(19) =-647a(20) =2741a(21) =8784a(22) =16631a(23) =22920a(24) =20769a(25) =87a(26) =-49372a(27) =-130497a(28) =-226511a(29) =-286165