A302193 a(n) = log_2(A302192(n)).
1, 2, 0, 3, 1, 2, 2, 4, 1, 2, 0, 3, 1, 1, 3, 5, 1, 2, 0, 3, 1, 2, 2, 4, 0, 2, 2, 3, 1, 3, 4, 6, 0, 2, 2, 3, 1, 2, 3, 4, 1, 2, 2, 3, 0, 2, 4, 5, 1, 2, 2, 3, 0, 2, 1, 4, 0, 2, 2, 3, 1, 4, 4, 7, 0, 2, 2, 3, 1, 1, 3, 4, 0, 2, 0, 3, 0, 3, 4, 5, 0, 2, 0, 3, 1
Offset: 0