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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 21 |
| 3 | 28 |
| 4 | 33 |
| 5 | 44 |
| 6 | 57 |
| 7 | 75 |
| 8 | 76 |
| 9 | 77 |
| 10 | 84 |
| 11 | 100 |
| 12 | 123 |
| 13 | 132 |
| 14 | 133 |
| 15 | 141 |
| 16 | 164 |
| 17 | 175 |
| 18 | 183 |
| 19 | 188 |
| 20 | 209 |
| 21 | 228 |
| 22 | 231 |
| 23 | 244 |
| 24 | 249 |
| 25 | 275 |
| 26 | 287 |
| 27 | 291 |
| 28 | 300 |
| 29 | 308 |
| 30 | 329 |
| 31 | 332 |
| 32 | 363 |
| 33 | 388 |
| 34 | 399 |
| 35 | 417 |
| 36 | 427 |
| 37 | 451 |
| 38 | 453 |
| 39 | 475 |
| 40 | 484 |
| 41 | 492 |
| 42 | 507 |
| 43 | 517 |
| 44 | 525 |
| 45 | 532 |
| 46 | 556 |
| 47 | 564 |
| 48 | 581 |
| 49 | 591 |
| 50 | 604 |
| 51 | 627 |
| 52 | 671 |
| 53 | 676 |
| 54 | 679 |
[12,21,28,33,44,57,75,76,77,84,100,123,132,133, 141,164,175,183,188,209,228,231,244,249,275,287, 291,300,308,329,332,363,388,399,417,427,451,453, 475,484,492,507,517,525,532,556,564,581,591,604, 627,671,676,679] |