A023714 Numbers with a single 2 in their base 4 expansion.

2, 6, 8, 9, 11, 14, 18, 22, 24, 25, 27, 30, 32, 33, 35, 36, 37, 39, 44, 45, 47, 50, 54, 56, 57, 59, 62, 66, 70, 72, 73, 75, 78, 82, 86, 88, 89, 91, 94, 96, 97, 99, 100, 101, 103, 108, 109, 111, 114, 118, 120, 121, 123, 126, 128, 129