A043695 Numbers whose base-6 representation has an even number of runs.
6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 36, 42, 44, 45, 46, 47, 50, 57, 64, 71, 72, 79, 84, 85, 87, 88, 89, 93, 100, 107, 108, 115, 122, 126, 127, 128, 130, 131, 136, 143, 144, 151
Offset: 1