(# 1's)-(# 0's) in first n terms of A030324.

Terms

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