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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 21 |
| 3 | 321 |
| 4 | 2612 |
| 5 | 4321 |
| 6 | 52612 |
| 7 | 54321 |
| 8 | 352342 |
| 9 | 352622 |
| 10 | 352641 |
| 11 | 354612 |
| 12 | 358312 |
| 13 | 358611 |
| 14 | 652612 |
| 15 | 654321 |
| 16 | 7352342 |
| 17 | 7352622 |
| 18 | 7352641 |
| 19 | 7354612 |
| 20 | 7358312 |
| 21 | 7358611 |
| 22 | 7652612 |
| 23 | 7654321 |
| 24 | 27155485 |
| 25 | 27351684 |
| 26 | 27353616 |
| 27 | 27355325 |
| 28 | 27457722 |
| 29 | 27457741 |
| 30 | 27655315 |
| 31 | 27851554 |
| 32 | 27953333 |
[1,21,321,2612,4321,52612,54321,352342,352622, 352641,354612,358312,358611,652612,654321,7352342, 7352622,7352641,7354612,7358312,7358611,7652612, 7654321,27155485,27351684,27353616,27355325, 27457722,27457741,27655315,27851554,27953333] |