| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 10 |
| 7 | 11 |
| 8 | 12 |
| 9 | 13 |
| 10 | 14 |
| 11 | 15 |
| 12 | 16 |
| 13 | 17 |
| 14 | 18 |
| 15 | 20 |
| 16 | 21 |
| 17 | 22 |
| 18 | 23 |
| 19 | 24 |
| 20 | 25 |
| 21 | 26 |
| 22 | 27 |
| 23 | 30 |
| 24 | 31 |
| 25 | 32 |
| 26 | 33 |
| 27 | 34 |
| 28 | 35 |
| 29 | 36 |
| 30 | 40 |
| 31 | 41 |
| 32 | 42 |
| 33 | 43 |
| 34 | 44 |
| 35 | 45 |
| 36 | 50 |
| 37 | 51 |
| 38 | 52 |
| 39 | 53 |
| 40 | 54 |
| 41 | 60 |
| 42 | 61 |
| 43 | 62 |
| 44 | 63 |
| 45 | 70 |
| 46 | 71 |
| 47 | 72 |
| 48 | 80 |
| 49 | 81 |
| 50 | 90 |
| 51 | 100 |
| 52 | 101 |
| 53 | 102 |
| 54 | 103 |
| 55 | 104 |
| 56 | 105 |
| 57 | 106 |
| 58 | 107 |
| 59 | 108 |
| 60 | 110 |
| 61 | 111 |
| 62 | 112 |
| 63 | 113 |
[0,1,2,3,4,10,11,12,13,14,15,16,17,18,20,21,22,23, 24,25,26,27,30,31,32,33,34,35,36,40,41,42,43,44, 45,50,51,52,53,54,60,61,62,63,70,71,72,80,81,90, 100,101,102,103,104,105,106,107,108,110,111,112, 113] |