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| n | a(n) |
|---|---|
| 1 | 13170 |
| 2 | 139918 |
| 3 | 139918 |
| 4 | 1741670 |
| 5 | 2932278 |
| 6 | 1741670 |
| 7 | 22094800 |
| 8 | 78789896 |
| 9 | 78789896 |
| 10 | 22094800 |
| 11 | 278456362 |
| 12 | 2038097660 |
| 13 | 4406719658 |
| 14 | 2038097660 |
| 15 | 278456362 |
| 16 | 3517561890 |
| 17 | 52624335712 |
| 18 | 235079475068 |
| 19 | 235079475068 |
| 20 | 52624335712 |
| 21 | 3517561890 |
[13170,139918,139918,1741670,2932278,1741670, 22094800,78789896,78789896,22094800,278456362, 2038097660,4406719658,2038097660,278456362, 3517561890,52624335712,235079475068,235079475068, 52624335712,3517561890] |