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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 23 |
| 4 | 223 |
| 5 | 233 |
| 6 | 2003 |
| 7 | 2203 |
| 8 | 2333 |
| 9 | 3023 |
| 10 | 3203 |
| 11 | 3323 |
| 12 | 20023 |
| 13 | 20233 |
| 14 | 20323 |
| 15 | 20333 |
| 16 | 22003 |
| 17 | 22303 |
| 18 | 23003 |
| 19 | 23203 |
| 20 | 23333 |
| 21 | 30203 |
| 22 | 30223 |
| 23 | 30323 |
| 24 | 32003 |
| 25 | 32203 |
| 26 | 32233 |
| 27 | 32303 |
| 28 | 32323 |
| 29 | 33023 |
| 30 | 33203 |
| 31 | 33223 |
| 32 | 200003 |
| 33 | 200023 |
| 34 | 200033 |
| 35 | 200323 |
| 36 | 203023 |
| 37 | 203233 |
| 38 | 203323 |
[2,3,23,223,233,2003,2203,2333,3023,3203,3323, 20023,20233,20323,20333,22003,22303,23003,23203, 23333,30203,30223,30323,32003,32203,32233,32303, 32323,33023,33203,33223,200003,200023,200033, 200323,203023,203233,203323] |