A165468 a(n) = (A165469(n)-3)/4.
0, 1, 3, 5, 7, 9, 11, 13, 17, 19, 21, 23, 27, 29, 35, 37, 39, 41, 45, 47, 49, 53, 57, 59, 63, 65, 67, 71, 75, 77, 81, 83, 89, 95, 97, 99, 101, 107, 109, 111, 113, 117, 119, 125, 127, 129, 131, 133, 137, 139, 147, 149, 153, 155, 161, 165, 167, 169, 173, 179, 185, 187
Offset: 1