Dirichlet inverse of the highest power of two that divides sigma(n), applied to A163511(n).

Terms

a(0) =1a(1) =-1a(2) =0a(3) =-4a(4) =0a(5) =15a(6) =4a(7) =-2a(8) =0a(9) =-64a(10) =-15a(11) =3a(12) =0a(13) =8a(14) =2a(15) =-8a(16) =0a(17) =272a(18) =64a(19) =-8a(20) =0a(21) =-12a(22) =-3a(23) =63a(24) =0a(25) =-30a(26) =-8a(27) =16a(28) =0a(29) =32