A030304 Least k such that base 2 representation of n begins at s(k), where s=A030302.

1, 2, 1, 6, 2, 1, 4, 18, 6, 26, 2, 5, 1, 4, 15, 50, 18, 6, 22, 63, 26, 77, 2, 17, 5, 25, 1, 4, 11, 15, 46, 130, 50, 18, 55, 154, 6, 22, 65, 146, 63, 26, 28, 163, 77, 2, 13, 49, 17, 5, 34, 69, 25, 79, 1, 16, 4, 68, 11, 15, 41, 46, 125, 322, 130, 50