A030608 Position of n-th 3 in A030604.
3, 9, 10, 14, 35, 37, 48, 57, 66, 70, 83, 84, 90, 91, 99, 110, 142, 143, 146, 147, 149, 153, 160, 166, 191, 194, 197, 204, 206, 216, 219, 222, 226, 236, 237, 250, 259, 260, 261, 262, 263, 266, 268, 269, 272, 287, 309, 312, 315, 319
Offset: 1