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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 12 |
| 4 | 3 |
| 5 | 13 |
| 6 | 113 |
| 7 | 1113 |
| 8 | 7 |
| 9 | 17 |
| 10 | 117 |
| 11 | 23 |
| 12 | 123 |
| 13 | 30 |
| 14 | 5 |
| 15 | 15 |
| 16 | 25 |
| 17 | 35 |
| 18 | 27 |
| 19 | 31 |
| 20 | 131 |
| 21 | 1131 |
| 22 | 29 |
| 23 | 129 |
| 24 | 32 |
| 25 | 20 |
| 26 | 21 |
| 27 | 33 |
| 28 | 11 |
| 29 | 110 |
| 30 | 22 |
| 31 | 24 |
| 32 | 26 |
| 33 | 28 |
| 34 | 37 |
| 35 | 137 |
| 36 | 1137 |
| 37 | 34 |
| 38 | 42 |
| 39 | 36 |
| 40 | 38 |
| 41 | 19 |
| 42 | 119 |
| 43 | 47 |
| 44 | 147 |
| 45 | 39 |
| 46 | 43 |
| 47 | 143 |
| 48 | 111 |
| 49 | 53 |
| 50 | 153 |
| 51 | 63 |
| 52 | 57 |
| 53 | 73 |
| 54 | 173 |
| 55 | 1173 |
| 56 | 83 |
| 57 | 183 |
| 58 | 61 |
| 59 | 161 |
| 60 | 67 |
| 61 | 167 |
| 62 | 1167 |
| 63 | 93 |
| 64 | 103 |
| 65 | 1030 |
| 66 | 45 |
| 67 | 50 |
| 68 | 51 |
[1,2,12,3,13,113,1113,7,17,117,23,123,30,5,15,25, 35,27,31,131,1131,29,129,32,20,21,33,11,110,22,24, 26,28,37,137,1137,34,42,36,38,19,119,47,147,39,43, 143,111,53,153,63,57,73,173,1173,83,183,61,161,67, 167,1167,93,103,1030,45,50,51] |