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| n | a(n) |
|---|---|
| 1 | 39 |
| 2 | 407 |
| 3 | 7491 |
| 4 | 167063 |
| 5 | 4112539 |
| 6 | 107461667 |
| 7 | 2923006251 |
| 8 | 81853622423 |
| 9 | 2343591359499 |
| 10 | 68288538877907 |
| 11 | 2018394003648391 |
| 12 | 60366962358086243 |
| 13 | 1823569260750104179 |
| 14 | 55557874330437332267 |
| 15 | 1705172670555862322491 |
| 16 | 52672612525369663916183 |
[39,407,7491,167063,4112539,107461667,2923006251, 81853622423,2343591359499,68288538877907, 2018394003648391,60366962358086243, 1823569260750104179,55557874330437332267, 1705172670555862322491,52672612525369663916183] |