A065373 Number of iterations of A065371 starting at n until one reaches 1.

0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 3, 2, 2, 1, 3, 1, 3, 2, 2, 2, 3, 1, 2, 3, 1, 2, 4, 2, 3, 1, 2, 3, 2, 1, 3, 3, 3, 2, 3, 2, 5, 2, 2, 3, 2, 1, 2, 2, 3, 3, 4, 1, 2, 2, 3, 4, 3, 2, 6, 3, 2, 1, 3, 2, 2, 3, 3, 2, 4, 1, 4, 3, 2, 3, 2, 3, 4, 2, 1, 3, 3, 2, 3, 5, 4, 2, 4, 2, 3, 3, 3, 2, 3, 1, 2, 2, 2, 2, 3, 3, 4, 3, 2