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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 10 |
| 3 | 103 |
| 4 | 727 |
| 5 | 2186 |
| 6 | 24061 |
| 7 | 625691 |
| 8 | 625719 |
| 9 | 10637349 |
| 10 | 202110261 |
| 11 | 202110426 |
| 12 | 4648540788 |
| 13 | 23242705227 |
| 14 | 69728116682 |
| 15 | 4044230782571 |
| 16 | 125371154379821 |
| 17 | 125371154410761 |
| 18 | 125371154418717 |
| 19 | 4638732713568111 |
| 20 | 4638732713587491 |
| 21 | 190188041257290621 |
| 22 | 8178085774065735093 |
[1,3,10,103,727,2186,24061,625691,625719,10637349, 202110261,202110426,4648540788,23242705227, 69728116682,4044230782571,125371154379821, 125371154410761,125371154418717,4638732713568111, 4638732713587491,190188041257290621, 8178085774065735093] |