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| n | a(n) |
|---|---|
| 1 | 25 |
| 2 | 333 |
| 3 | 1667438 |
| 4 | 9252915567 |
| 5 | 136727214560643 |
| 6 | 4607472064276325091 |
| 7 | 281395884679127288508771 |
| 8 | 31300458157678523147391901818 |
| 9 | 3630416277654441522583270655032758 |
| 10 | 631040767628866632706111841438119582182 |
| 11 | 355477406146830706663807382201012685829049871 |
| 12 | 215421112450033407479085892668138597831784081541979 |
[25,333,1667438,9252915567,136727214560643, 4607472064276325091,281395884679127288508771, 31300458157678523147391901818, 3630416277654441522583270655032758, 631040767628866632706111841438119582182, 355477406146830706663807382201012685829049871, 21542111245003340747908589266813859783178408154197\ 9] |