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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 110 |
| 11 | 111 |
| 12 | 100 |
| 13 | 112 |
| 14 | 113 |
| 15 | 114 |
| 16 | 115 |
| 17 | 101 |
| 18 | 102 |
| 19 | 116 |
| 20 | 117 |
| 21 | 120 |
| 22 | 118 |
| 23 | 119 |
| 24 | 130 |
| 25 | 210 |
| 26 | 211 |
| 27 | 140 |
| 28 | 212 |
| 29 | 213 |
| 30 | 150 |
| 31 | 214 |
| 32 | 103 |
| 33 | 215 |
| 34 | 216 |
| 35 | 104 |
| 36 | 121 |
| 37 | 217 |
| 38 | 218 |
| 39 | 160 |
| 40 | 219 |
| 41 | 310 |
| 42 | 170 |
| 43 | 311 |
| 44 | 122 |
| 45 | 105 |
| 46 | 312 |
| 47 | 313 |
| 48 | 180 |
| 49 | 314 |
| 50 | 315 |
| 51 | 190 |
| 52 | 316 |
| 53 | 131 |
| 54 | 106 |
| 55 | 123 |
| 56 | 317 |
[1,2,3,4,5,6,7,8,9,110,111,100,112,113,114,115, 101,102,116,117,120,118,119,130,210,211,140,212, 213,150,214,103,215,216,104,121,217,218,160,219, 310,170,311,122,105,312,313,180,314,315,190,316, 131,106,123,317] |