INVERTi transform of d(n), A000005.

Terms

a(0) =1a(1) =1a(2) =-1a(3) =0a(4) =-1a(5) =2a(6) =-1a(7) =-1a(8) =3a(9) =-4a(10) =2a(11) =2a(12) =-3a(13) =0a(14) =0a(15) =6a(16) =-7a(17) =-5a(18) =14a(19) =-2a(20) =-14a(21) =6a(22) =13a(23) =-12a(24) =-2a(25) =6a(26) =-1a(27) =-8a(28) =7a(29) =36