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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 33 |
| 3 | 34 |
| 4 | 35 |
| 5 | 36 |
| 6 | 37 |
| 7 | 38 |
| 8 | 39 |
| 9 | 43 |
| 10 | 53 |
| 11 | 63 |
| 12 | 73 |
| 13 | 83 |
| 14 | 93 |
| 15 | 333 |
| 16 | 334 |
| 17 | 335 |
| 18 | 336 |
| 19 | 337 |
| 20 | 338 |
| 21 | 339 |
| 22 | 343 |
| 23 | 344 |
| 24 | 345 |
| 25 | 346 |
| 26 | 347 |
| 27 | 348 |
| 28 | 349 |
| 29 | 353 |
| 30 | 354 |
| 31 | 355 |
| 32 | 356 |
| 33 | 357 |
| 34 | 358 |
| 35 | 359 |
| 36 | 363 |
| 37 | 364 |
| 38 | 365 |
| 39 | 366 |
| 40 | 367 |
| 41 | 368 |
| 42 | 369 |
| 43 | 373 |
| 44 | 374 |
| 45 | 375 |
| 46 | 376 |
| 47 | 377 |
| 48 | 378 |
| 49 | 379 |
| 50 | 383 |
| 51 | 384 |
| 52 | 385 |
| 53 | 386 |
| 54 | 387 |
| 55 | 388 |
[3,33,34,35,36,37,38,39,43,53,63,73,83,93,333,334, 335,336,337,338,339,343,344,345,346,347,348,349, 353,354,355,356,357,358,359,363,364,365,366,367, 368,369,373,374,375,376,377,378,379,383,384,385, 386,387,388] |