A043707 Numbers n such that number of runs in base 4 representation of n is odd.

1, 2, 3, 5, 10, 15, 17, 18, 19, 21, 24, 25, 27, 28, 29, 30, 33, 34, 35, 36, 38, 39, 42, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 59, 63, 65, 66, 67, 69, 74, 79, 81, 82, 83, 85, 88, 89, 91, 92, 93, 94, 96, 101, 104, 105, 107, 111, 112, 117