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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 433 |
| 3 | 0 |
| 4 | 54323 |
| 5 | 654323 |
| 6 | 0 |
| 7 | 292827262524233 |
| 8 | 987654323 |
| 9 | 0 |
| 10 | 1716151413121110983 |
| 11 | 181716151413121110983 |
| 12 | 0 |
| 13 | 1413121110987654323 |
| 14 | 27262524232221201918171615143 |
| 15 | 0 |
| 16 | 1716151413121110987654323 |
[13,433,0,54323,654323,0,292827262524233, 987654323,0,1716151413121110983, 181716151413121110983,0,1413121110987654323, 27262524232221201918171615143,0, 1716151413121110987654323] |