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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 113 |
| 3 | 130 |
| 4 | 213 |
| 5 | 313 |
| 6 | 413 |
| 7 | 513 |
| 8 | 613 |
| 9 | 713 |
| 10 | 813 |
| 11 | 913 |
| 12 | 1013 |
| 13 | 1113 |
| 14 | 1130 |
| 15 | 1213 |
| 16 | 1300 |
| 17 | 1413 |
| 18 | 1513 |
| 19 | 1613 |
| 20 | 1713 |
| 21 | 1813 |
| 22 | 1913 |
| 23 | 2013 |
| 24 | 2113 |
| 25 | 2130 |
| 26 | 2213 |
| 27 | 2313 |
| 28 | 2413 |
| 29 | 2513 |
| 30 | 2613 |
| 31 | 2713 |
| 32 | 2813 |
| 33 | 2913 |
| 34 | 3013 |
| 35 | 3113 |
| 36 | 3130 |
| 37 | 3213 |
| 38 | 3313 |
| 39 | 3413 |
[13,113,130,213,313,413,513,613,713,813,913,1013, 1113,1130,1213,1300,1413,1513,1613,1713,1813,1913, 2013,2113,2130,2213,2313,2413,2513,2613,2713,2813, 2913,3013,3113,3130,3213,3313,3413] |