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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 547 |
| 4 | 52429 |
| 5 | 8138021 |
| 6 | 1865813431 |
| 7 | 593445188743 |
| 8 | 250199979298361 |
| 9 | 135085171767299209 |
| 10 | 90909090909090909091 |
| 11 | 74619186937936447687211 |
| 12 | 73381705110822317661638341 |
| 13 | 85180949465178001182799643437 |
| 14 | 115244915978498073437814463065839 |
| 15 | 179766618030828831251710653305053711 |
[1,1,11,547,52429,8138021,1865813431,593445188743, 250199979298361,135085171767299209, 90909090909090909091,74619186937936447687211, 73381705110822317661638341, 85180949465178001182799643437, 115244915978498073437814463065839, 179766618030828831251710653305053711] |