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| n | a(n) |
|---|---|
| 1 | 2333 |
| 2 | 3313 |
| 3 | 3323 |
| 4 | 3331 |
| 5 | 3343 |
| 6 | 3373 |
| 7 | 3433 |
| 8 | 3533 |
| 9 | 3733 |
| 10 | 3833 |
| 11 | 5333 |
| 12 | 7333 |
| 13 | 10333 |
| 14 | 13033 |
| 15 | 13313 |
| 16 | 13331 |
| 17 | 13337 |
| 18 | 13339 |
| 19 | 13633 |
| 20 | 13933 |
| 21 | 16333 |
| 22 | 17333 |
| 23 | 19333 |
| 24 | 20333 |
| 25 | 23339 |
| 26 | 23633 |
| 27 | 23833 |
| 28 | 29333 |
| 29 | 30133 |
| 30 | 30313 |
| 31 | 30323 |
| 32 | 31033 |
| 33 | 31337 |
| 34 | 31393 |
| 35 | 32233 |
| 36 | 32303 |
| 37 | 32323 |
[2333,3313,3323,3331,3343,3373,3433,3533,3733, 3833,5333,7333,10333,13033,13313,13331,13337, 13339,13633,13933,16333,17333,19333,20333,23339, 23633,23833,29333,30133,30313,30323,31033,31337, 31393,32233,32303,32323] |