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| n | a(n) |
|---|---|
| 1 | 20 |
| 2 | 40 |
| 3 | 41 |
| 4 | 60 |
| 5 | 61 |
| 6 | 62 |
| 7 | 80 |
| 8 | 81 |
| 9 | 82 |
| 10 | 83 |
| 11 | 100 |
| 12 | 101 |
| 13 | 102 |
| 14 | 103 |
| 15 | 104 |
| 16 | 120 |
| 17 | 121 |
| 18 | 122 |
| 19 | 123 |
| 20 | 124 |
| 21 | 125 |
| 22 | 140 |
| 23 | 141 |
| 24 | 142 |
| 25 | 143 |
| 26 | 144 |
| 27 | 145 |
| 28 | 146 |
| 29 | 160 |
| 30 | 161 |
| 31 | 162 |
| 32 | 163 |
| 33 | 164 |
| 34 | 165 |
| 35 | 166 |
| 36 | 167 |
| 37 | 180 |
| 38 | 181 |
| 39 | 182 |
| 40 | 183 |
| 41 | 184 |
| 42 | 185 |
| 43 | 186 |
| 44 | 187 |
| 45 | 188 |
| 46 | 200 |
| 47 | 201 |
| 48 | 202 |
| 49 | 203 |
| 50 | 204 |
| 51 | 205 |
| 52 | 206 |
| 53 | 207 |
| 54 | 208 |
[20,40,41,60,61,62,80,81,82,83,100,101,102,103, 104,120,121,122,123,124,125,140,141,142,143,144, 145,146,160,161,162,163,164,165,166,167,180,181, 182,183,184,185,186,187,188,200,201,202,203,204, 205,206,207,208] |