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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 13 |
| 3 | 5419 |
| 4 | 328504401 |
| 5 | 7622403922836151 |
| 6 | 125076804896889941384267749 |
| 7 | 2283244029676857615289372083169016508547 |
| 8 | 66656513992169790340795231563272399566454175106315563265 |
| 9 | 4218602489837041203989313097616905233039652652837921715487541815010092122991 |
[1,1,13,5419,328504401,7622403922836151, 125076804896889941384267749, 2283244029676857615289372083169016508547, 66656513992169790340795231563272399566454175106315\ 563265, 42186024898370412039893130976169052330396526528379\ 21715487541815010092122991] |