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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 100 |
| 3 | 101 |
| 4 | 102 |
| 5 | 12 |
| 6 | 21 |
| 7 | 112 |
| 8 | 120 |
| 9 | 20 |
| 10 | 200 |
| 11 | 201 |
| 12 | 103 |
| 13 | 13 |
| 14 | 31 |
| 15 | 113 |
| 16 | 123 |
| 17 | 23 |
| 18 | 32 |
| 19 | 132 |
| 20 | 121 |
| 21 | 122 |
| 22 | 124 |
| 23 | 14 |
| 24 | 41 |
| 25 | 104 |
| 26 | 40 |
| 27 | 140 |
| 28 | 105 |
| 29 | 15 |
| 30 | 51 |
| 31 | 115 |
| 32 | 125 |
| 33 | 25 |
| 34 | 52 |
| 35 | 152 |
| 36 | 126 |
| 37 | 16 |
| 38 | 61 |
| 39 | 106 |
| 40 | 60 |
| 41 | 160 |
| 42 | 107 |
| 43 | 17 |
| 44 | 71 |
| 45 | 117 |
| 46 | 127 |
| 47 | 27 |
| 48 | 72 |
| 49 | 172 |
| 50 | 128 |
| 51 | 18 |
| 52 | 81 |
| 53 | 108 |
| 54 | 80 |
| 55 | 180 |
| 56 | 109 |
| 57 | 19 |
| 58 | 91 |
| 59 | 119 |
| 60 | 129 |
| 61 | 29 |
| 62 | 92 |
| 63 | 192 |
| 64 | 139 |
[10,100,101,102,12,21,112,120,20,200,201,103,13, 31,113,123,23,32,132,121,122,124,14,41,104,40,140, 105,15,51,115,125,25,52,152,126,16,61,106,60,160, 107,17,71,117,127,27,72,172,128,18,81,108,80,180, 109,19,91,119,129,29,92,192,139] |