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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 0 |
| 4 | 124 |
| 5 | 15 |
| 6 | 1236 |
| 7 | 0 |
| 8 | 1248 |
| 9 | 0 |
| 10 | 11250 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 21714 |
| 15 | 11355 |
| 16 | 112864 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 10122540 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 1122234648 |
| 25 | 1525 |
| 26 | 112632 |
| 27 | 0 |
| 28 | 11242784 |
| 29 | 0 |
| 30 | 10112335560 |
| 31 | 0 |
| 32 | 11223648 |
| 33 | 0 |
| 34 | 131274 |
| 35 | 13755 |
| 36 | 0 |
| 37 | 0 |
| 38 | 123918 |
| 39 | 0 |
| 40 | 10012245480 |
| 41 | 0 |
| 42 | 11122234746 |
| 43 | 0 |
[1,12,0,124,15,1236,0,1248,0,11250,0,0,0,21714, 11355,112864,0,0,0,10122540,0,0,0,1122234648,1525, 112632,0,11242784,0,10112335560,0,11223648,0, 131274,13755,0,0,123918,0,10012245480,0, 11122234746,0] |