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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 132 |
| 4 | 124 |
| 5 | 15 |
| 6 | 1236 |
| 7 | 175 |
| 8 | 1248 |
| 9 | 1395 |
| 10 | 12510 |
| 11 | 1111 |
| 12 | 12346128 |
| 13 | 1131 |
| 14 | 127148 |
| 15 | 13515 |
| 16 | 124816 |
| 17 | 1173 |
| 18 | 12369186 |
| 19 | 1197 |
| 20 | 12451020 |
| 21 | 137214 |
| 22 | 12112210 |
| 23 | 12305 |
| 24 | 1234681224 |
| 25 | 1525 |
| 26 | 1213264 |
| 27 | 1392714 |
| 28 | 1247142820 |
| 29 | 12905 |
| 30 | 12356101530 |
| 31 | 13113 |
[1,12,132,124,15,1236,175,1248,1395,12510,1111, 12346128,1131,127148,13515,124816,1173,12369186, 1197,12451020,137214,12112210,12305,1234681224, 1525,1213264,1392714,1247142820,12905,12356101530, 13113] |