A030398 a(n)=(# 2's)-(# 3's) in first n terms of A030386.
0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 2, 3, 4, 3, 4, 4, 3, 3, 2, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 3, 4, 4, 4, 3, 3, 3, 2, 2, 3, 2, 2, 1, 0, 0, 0, 0, 1, 1, 1, 2, 3, 3, 4, 3, 3, 4, 4, 4, 5
Offset: 1