A169939 Skinny numbers (A061909) containing no 2's.
0, 1, 3, 10, 11, 13, 30, 31, 100, 101, 103, 110, 111, 113, 130, 300, 301, 310, 311, 1000, 1001, 1003, 1010, 1011, 1013, 1030, 1031, 1100, 1101, 1103, 1110, 1111, 1113, 1130, 1300, 1301, 3000, 3001, 3010, 3011, 3100, 3101, 3110, 3111, 10000, 10001, 10003, 10010
Offset: 1