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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 36 |
| 4 | 37 |
| 5 | 47 |
| 6 | 48 |
| 7 | 399 |
| 8 | 400 |
| 9 | 410 |
| 10 | 411 |
| 11 | 520 |
| 12 | 521 |
| 13 | 531 |
| 14 | 532 |
| 15 | 4392 |
| 16 | 4393 |
| 17 | 4403 |
| 18 | 4404 |
| 19 | 4513 |
| 20 | 4514 |
| 21 | 4524 |
| 22 | 4525 |
| 23 | 5723 |
| 24 | 5724 |
| 25 | 5734 |
| 26 | 5735 |
| 27 | 5844 |
| 28 | 5845 |
| 29 | 5855 |
| 30 | 5856 |
| 31 | 48315 |
| 32 | 48316 |
| 33 | 48326 |
| 34 | 48327 |
| 35 | 48436 |
| 36 | 48437 |
| 37 | 48447 |
| 38 | 48448 |
| 39 | 49646 |
| 40 | 49647 |
| 41 | 49657 |
| 42 | 49658 |
| 43 | 49767 |
| 44 | 49768 |
[3,4,36,37,47,48,399,400,410,411,520,521,531,532, 4392,4393,4403,4404,4513,4514,4524,4525,5723,5724, 5734,5735,5844,5845,5855,5856,48315,48316,48326, 48327,48436,48437,48447,48448,49646,49647,49657, 49658,49767,49768] |