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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 351 |
| 3 | 8173 |
| 4 | 193116 |
| 5 | 4560446 |
| 6 | 107701719 |
| 7 | 2543481662 |
| 8 | 60067211485 |
| 9 | 1418553120783 |
| 10 | 33500701298909 |
| 11 | 791156061757424 |
| 12 | 18684024494159794 |
| 13 | 441243879877927791 |
| 14 | 10420461699586486378 |
| 15 | 246090715301965835785 |
[12,351,8173,193116,4560446,107701719,2543481662, 60067211485,1418553120783,33500701298909, 791156061757424,18684024494159794, 441243879877927791,10420461699586486378, 246090715301965835785] |