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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 53 |
| 3 | 6221 |
| 4 | 891830563 |
| 5 | 950677235679298964 |
| 6 | 2245647960428048728674383451656707058 |
| 7 | 11636905679093503238901947768600244923435901955366623291532461461126244496 |
[6,53,6221,891830563,950677235679298964, 2245647960428048728674383451656707058, 11636905679093503238901947768600244923435901955366\ 623291532461461126244496] |