(# 2's)-(# 3's) in first n terms of A031219.

Terms

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