A007318^(-1) * A132814.

Terms

a(0) =1a(1) =-1a(2) =2a(3) =1a(4) =-2a(5) =3a(6) =-1a(7) =0a(8) =0a(9) =4a(10) =1a(11) =4a(12) =-12a(13) =8a(14) =5a(15) =-1a(16) =-10a(17) =30a(18) =-40a(19) =25a(20) =6a(21) =1a(22) =18a(23) =-45a(24) =60a(25) =-75a(26) =54a(27) =7a(28) =-1a(29) =-28