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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 31 |
| 3 | 113 |
| 4 | 130 |
| 5 | 213 |
| 6 | 231 |
| 7 | 310 |
| 8 | 331 |
| 9 | 413 |
| 10 | 431 |
| 11 | 513 |
| 12 | 531 |
| 13 | 613 |
| 14 | 631 |
| 15 | 713 |
| 16 | 731 |
| 17 | 813 |
| 18 | 831 |
| 19 | 913 |
| 20 | 931 |
| 21 | 1013 |
| 22 | 1031 |
| 23 | 1113 |
| 24 | 1130 |
| 25 | 1213 |
| 26 | 1231 |
| 27 | 1300 |
| 28 | 1413 |
| 29 | 1431 |
| 30 | 1513 |
| 31 | 1531 |
| 32 | 1613 |
| 33 | 1631 |
| 34 | 1713 |
| 35 | 1731 |
| 36 | 1813 |
| 37 | 1831 |
| 38 | 1913 |
| 39 | 1931 |
| 40 | 2013 |
| 41 | 2031 |
[13,31,113,130,213,231,310,331,413,431,513,531, 613,631,713,731,813,831,913,931,1013,1031,1113, 1130,1213,1231,1300,1413,1431,1513,1531,1613,1631, 1713,1731,1813,1831,1913,1931,2013,2031] |