A043425 Numbers n such that number of 1's in base 8 is 1.

1, 8, 10, 11, 12, 13, 14, 15, 17, 25, 33, 41, 49, 57, 64, 66, 67, 68, 69, 70, 71, 80, 82, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 101, 102, 103, 104, 106, 107, 108, 109, 110, 111, 112, 114, 115, 116, 117, 118, 119