Signed version of A094953.

Terms

a(0) =1a(1) =-1a(2) =2a(3) =2a(4) =-4a(5) =3a(6) =-2a(7) =8a(8) =-9a(9) =4a(10) =3a(11) =-12a(12) =21a(13) =-16a(14) =5a(15) =-3a(16) =18a(17) =-39a(18) =44a(19) =-25a(20) =6a(21) =4a(22) =-24a(23) =66a(24) =-96a(25) =80a(26) =-36a(27) =7a(28) =-4a(29) =32