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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 13 |
| 3 | 171 |
| 4 | 7761 |
| 5 | 1256283 |
| 6 | 741398869 |
| 7 | 1609036666443 |
| 8 | 13118066779885825 |
| 9 | 399221556627301207443 |
| 10 | 46476897754761801245056293 |
| 11 | 20377119057713827002258336842283 |
| 12 | 34592895120825704155462768381947657489 |
| 13 | 222457046333769635263635086646525921070978443 |
[1,3,13,171,7761,1256283,741398869,1609036666443, 13118066779885825,399221556627301207443, 46476897754761801245056293, 20377119057713827002258336842283, 34592895120825704155462768381947657489, 222457046333769635263635086646525921070978443] |