A031267 (# 2's)-(# 3's) in first n terms of A031253.
0, -1, -1, -1, -1, 0, 0, 0, 1, 1, 2, 1, 0, 0, -1, 0, -1, -1, -1, -1, -1, -2, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2, -1, -1, -1, 0, 1, 1, 2, 2, 2, 1, 1, 1, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 1, 1, 1, 2, 2, 1, 2, 2, 2, 3, 3, 4
Offset: 1